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Creating Secure Web Forms: What You Need to Know

person filling out a secure web form on a laptop

Creating secure web forms starts with creating a secure website. This process is more complex than creating web pages and adding an SSL Certificate. A certificate is a solid first step, but it only goes so far as to protect whatever sensitive data necessitates security in the first place.

Naive attempts at security can ultimately make the data less secure and more likely to be compromised by creating an appetizing target for the unscrupulous.

So, what do you do beyond hiring a developer with significant security expertise? Start with this article. Its purpose is to shed light on many of the most significant factors in creating secure web forms and how to address them. At a minimum, reading this article will help you intelligently discuss website security with the developers you hire.

person filling out a secure web form on a laptop

What Is Involved In Creating Secure Web Forms?

If you want to add a secure web form to your website, first, you must understand how to securely configure the website. Website security is a serious and complex topic; this article only discusses the high points. Check out some of our other articles and eBooks for more detailed information on website security.

Here are some of the critical issues that need to be considered:

  1. SSL – Is the website and form secured to transmit data from the end user safely? Is your website form page protected with SSL to prevent tampering with its contents?
  2. Web page content – Is the HTML content sent to the end-user protected from Cross-Site Scripting (XSS) issues, and does it avoid loading objects insecurely or from third parties?
  3. Script Security – Are the scripts or programs that process the submitted data written with security in mind? Do they have any vulnerabilities?
  4. Infrastructure – Is the website hosting provider trusted and known for good security? Are you on a shared server when you should be on a dedicated one?
  5. Data Flows – What do you do with the data once submitted? Is that data secured?
  6. Tracking – Do you track events such as data access and submission?
  7. Archival and Backup – Are there processes to make backups and permanent archives of important data?

SSL – Web Security Starts Here

SSL certificates are required for creating a secure website and form. The SSL certificate allows:

  1. The encryption of data sent to and from your web server and users to prevent eavesdropping or tampering.
  2. Your users trust that they are connecting to your website securely.

An SSL certificates on a properly configured web server encrypts your website data as it flows to and from your end users.

To get an SSL certificate, you can order one directly from a third party, or your web hosting provider will handle it for you. In either case, the web host will need to install the certificate on the server where the website is hosted, and then you will need to make changes to your site to take full advantage of the secure channel you have added.

SSL and Encryption

The most significant reason people use SSL is to encrypt the data transmitted from their website and the end-user. When an end-user visits a page protected by SSL, their web browser communicates over a secure channel with the web server so that all data transmitted is sent over this encrypted channel. This helps prevent eavesdropping and man-in-the-middle attacks on the data (more on these below).

Without SSL encryption, there is little or no protection of the data.

SSL and Trust

The most overlooked and misunderstood aspect of SSL is the establishment of trust. That is, enabling your end-users to trust and feel confident that they are connecting to your website. What else could they be connecting to, you may ask?

  1. Someone with access to the network between the end-user and website could be trying to intercept and read all the web traffic or altering your website pages themselves (e.g., changing your forms to submit the data to them instead of you). This is called a man-in-the-middle attack. Even with SSL security, a man-in-the-middle can present the end-user with an SSL Certificate for your domain name that looks legitimate, like a forged ID card.
  2. The user could be visiting another website that is pretending to be yours. This phishing website could collect information from your users for malicious purposes. Unless your users identify this site as illegitimate, they could be duped into revealing personal information. How could they end up at a phishing website like this? This can happen by clicking on a link emailed to them or by visiting a misspelled version of your URL. No site is immune from such attacks, but you can work to mitigate them.

SSL Certificates and Cybersecurity

As mentioned above, SSL certificates are not the sole website and form security solution, but they can help! To understand how it’s worth looking at how certificates are awarded. SSL certificates are signed by a third-party authority, the “Certificate Authority.” This can be:

  1. You, if you sign your certificates.
  2. A respected third-party issuing:
    1. A cheap or free certificate validating only your domain.
    2. A more expensive “Extended Validation” certificate which also validates your organization.

If you sign your own certificates, your website will generate warnings when anyone visits it. Users can choose to dismiss them, but more commonly, they will be more likely to navigate away from the website. For this reason, self-signed certificates are never recommended for a public website. Self-signed certificates provide no inherent trust that they are legitimate (anyone can generate one and pose as your site). They look amateurish and are annoying to the end user. Self-signed certificates should only be used in internal or test environments.

When ordering a certificate from a trusted third-party authority, there are various types that you can order. The cheapest ones are called domain-validated certificates. These work by emailing your domain administrator a validation link. Once verified, the certificate is awarded. These domain-validated certificates are acceptable and provide excellent security; however, as no humans are directly involved in the validation process, it may be easier for an attacker to get an illegitimate certificate by gaining control of the admin’s inbox or via other methods.

You can also order Extended Validation certificates. They cost more because real people validate the organization and your domain ownership. They make phone calls and ensure that everything looks right. If you have one of these certificates, your browser’s address bar turns green (or displays a lock symbol) when visitors come there to indicate that this site is trusted. If you want to maximize trust and make it easy for your end-users to identify your site as legitimate, you should use an Extended Validation certificate. These cost more but are well worth it in terms of security and trust. If EV certificates are outside your budget, you should still use an SSL certificate from some trusted third party.

Securing Web Forms with SSL

Once your website has an SSL certificate installed by a web host, your web pages can be accessed with addresses that start with “https://” instead of just “http://.” The “s” in “https” means “secure.” Note:

  1. When connected to a web page using a secure address like “https://yourdomain.com,” the web browser will show a lock icon to inform you that the connection is secure.
  2. Web pages that end in “.shtml” are not necessarily secure. The “s” means “server” (i.e., server-parsed page) and not “secure.” So, for example, “http://yourdomain.com/index.shtml” is not a secure page, but “https://yourdomain.com/index.html” is a secure page.
  3. With SSL enabled, you can access the same page securely and insecurely in many default web server configurations. Both “http://yourdomain.com/form.html” and “https://yourdomain.com/form.html” work and show the form — the only difference is the use of SSL or not.

So, let’s say that you have a web form located at “http://yourdomain.com/form.html.” You have an SSL certificate, and your web host has installed it. Next, you want to:

  1. Make sure people connect securely to the form page.
  2. Make sure that no one can connect to the form page insecurely.

These two goals might sound the same, but they are not.

Enforce Secure Connections to Form Pages

Since regular website pages may be insecure, you need to ensure that the links to the secure form page are absolute links starting with the prefix “https://.” This will ensure that anyone clicking these links will be taken to the form page on a secure connection.

The best solution is to use an HSTS (HTTP Strict Transport Security), which tells browsers that they should always use the secure version of your website. If you choose to have both the insecure (http) and secure (https) versions of your site running at the same time (not recommended), then you need to be careful with linking so that sensitive pages are secured:

Wrong Links: Relative links are not recommended because, if the user is on an insecure page, relative links will always take them to insecure versions of the destination page. So relative links like the following should be avoided:

Fill out my form!

Correct Links: Absolute links will ensure a secure connection by specifying that SSL must be used via the link prefix “https://.”

For example: <a href=”https://yourdomain.com/form.html”>Fill out my form!

Be sure that all links to all secure pages of the site use this secure format with the “https://” prefix.

Side Note: These days, it is recommended that you use SSL for all website pages, not just ones that process sensitive information. This is good for user trust, security, and privacy. It is also good for Search Engine Optimization (as Google will reward you for securing your site). If you set up your site so all pages are always secure, relative links are safe.

Ensure No One Can Connect to Form Pages Insecurely

Using the above suggestions, all the links on your website will take users to the secure version of the form. However, most web hosts leave the insecure version of the form there, and users can still access it if they enter the insecure address directly (or if links are directed to the insecure page). As a next step, you should ensure that accessing the form page via an insecure connection is impossible.

There are several different ways that this can be done. Some of these include:

Separate space for SSL pages: If your web host has this feature, you can configure the website to store web pages for secure (SSL) connections in a different directory from those for insecure pages. If this feature is enabled, the form page is placed in the secure directory and no copies are in the insecure directory. Thus, any insecure requests for these pages would result in a “page not found” error. You could then implement server-side redirection rules where if someone requests the insecure page, they are automatically redirected to the secure version (this can be done using .htaccess files and the “Redirect” directive). If you did this, secure and insecure requests for the page would take the user to the secure version with no errors, warnings, or issues for the end user.

Scripted pages: If the form page is generated by a server-side script (i.e., PHP, Perl, Python, or JAVA), then the script itself can determine if the request is secure or not (e.g., by looking at the server environment variables). For secure requests, it can render the form as usual. The user receives an error for insecure requests or is redirected to the proper secure location. 

Securing all pages: (Recommended) The site can be configured to automatically redirect all requests for insecure pages to the respective secure page. All pages will be secure, and any accidental/incorrect requests for the insecure pages will still get people to the right place. Security is greatly improved if you have set this up.

If my form is posted to a secure form processing script, why does it need to be secured?

This question is usually asked when a third-party manages the form processing. Is securing the form itself with SSL needed?

The answer is based on the following facts:

  1. The data sent from end-users to the server will be secure and encrypted during transmission. This is critical for creating secure websites and forms that require HIPAA compliance.
  2. Non-technical end-users will only know if their data is securely submitted once it is done. Many end-users will refrain from submitting sensitive data to an insecure form on your site.
  3. End-users cannot know if they are viewing your website or a phishing site or if eavesdropping and modification are happening. Many users will not trust the connection and will not want to submit their data through your site if it appears insecure.
  4. If your form page is insecure, it is straightforward for any malicious party to perform a man-in-the-middle attack to eavesdrop on connections, modify your form in transit to change what is collected and where the data is sent, and set up phishing sites. Your end-users can’t tell if this is going on.

If you do not secure your web form with SSL, it is vulnerable to attack. If nothing is going on, you can rely on transmission security. However, that minimal level of security is not recommended for production websites or anywhere that compliance is required.

Other Aspects of Creating Secure Web Forms

Proper use of SSL for encryption and trust is only part of creating secure website forms. You must be concerned with many other aspects to protect your users, your application, and your company’s reputation. These include (but are not limited to):

1. Cross-Site Scripting (XSS). Suppose you include dynamic content on your web pages (i.e., information submitted by other users or content submitted via form fields), and that content is not cleaned of JavaScript and HTML. In that case, bad actors could make arbitrary content appear on your website, capture user data, or worse. All data displayed should be clear of undesirable content (script tags, special characters, HTML, and other things). This is one of the most significant security issues with dynamic web pages across the internet.

2. Secure Server-Side Programming: The scripts and programs that accept and process the data from online forms must be created with security in mind. They must validate all submitted data as needed without making assumptions about its format and content. The scripts must not provide avenues for attacks like SQL Injection. Scripts must not use submitted content as actual filenames or URLs for remote loading content. They should log any strange errors or problems for later analysis. They should provide a mechanism for blocking undesirable actions or users from using the scripts.

3. Validation: Validation of all input data is part of the above two points. However, it is so essential that we will repeat it and go over some of the fundamental points:

  • If you validate submitted content, always perform your validation on the server side. Even if you use JavaScript to validate the data on the client side, you should always re-validate it on the server side. Why? Because people can get around JavaScript and submit arbitrary content directly to your scripts. The scripts should be prepared to handle that.
  • Always de-taint submitted data. What does that mean? It means never trust submitted data and take pains to ensure that the submitted data matches what you expect. For example, if you have a select list that sends your script a number as the value, do not assume you are getting a number. Instead, check that it is a numeric value or convert whatever is submitted into a number.
  • Remove disallowed content from the text submitted by users. Remove or block special characters, embedded codes, and other things that should not be there.
  • Ensure the submitted data is manageable enough to be used.
  • Do not assume anything — program defensively.

4. Preserving State with Hidden Form Fields or Cookies: If your program remembers information from one page to another by saving the data in hidden form fields, then your program must also ensure that the content of those fields was not tampered with. One good way to do this is to make a hash of all the data, together with a secret value, and include that hash in the form data. Then, when the form is submitted, you can recompute the hash and compare it with what passed from the form. If they match, you are okay; if they do not, the data has been tampered with. No one can break this scheme without knowing your secret value or breaking your hashing algorithm. This method can also be used to validate data saved in cookies. You can go further and use time stamps to prevent replay attacks.

5. Third-Party Applications: If you install programs from third parties on your website, you must ensure there are no known security issues with these programs, and you must be sure to update these programs as soon as new versions are released. If you let your website languish with an older, vulnerable version of a program, it will become a target for hackers as they constantly search the internet for such websites. Your site will likely be hacked in these cases, possibly causing loss of business, deactivation of your website, and tarnishing your website’s reputation. Using a third-party application is easy, but you need to select a good one that places the burden of keeping it updated on you. An exception is using a third-party application hosted by the third party itself. In these cases, the third party ensures that the program is continuously updated with anything needed to address any security issues. The burden is on them and not you. If you choose a good, respectable vendor, you should have no problems.

All these things, and more, are critical to developing a secure web application.

Securing the Form Data After Submission

Ensuring that users’ data is transmitted securely to your web server is critical, as is ensuring that your application is secure and will not be hacked. To secure sensitive data, you must understand what happens to that data after your program receives it. Many people forget that transmitting the data from the web server may require just as much preparation as receiving it from their users in the first place.

In the following subsections, we will look at three different ways of saving and retrieving your users’ data. In each case, we will explain what is needed to secure the data in your systems.

Send Form Data via Email 

The most common action data processing scripts do is email the submitted data to the website owner’s email address. The website owner knows when there are new submissions by checking their email and can access the data immediately. Most people running websites check their email reasonably often, which integrates well with their business operations.

However, the standard ways of sending emails are entirely insecure. So, how can you use email while ensuring the data is secure and viewable only by the intended recipient?

  1. Have your website script encrypt the data.
  2. Send this encrypted data (or a link to download the encrypted data) to the intended viewers via regular email.

As the form data is encrypted within the email message, most insecurities inherent in email are obviated. You can also use secure third-party services to have your form data emailed to you securely without programming anything yourself.

Save the Submission in a Database

Many website owners like to save the submitted form data in a database (even if it is also emailed to someone). Why?

  1. The data is saved online and potentially accessible from anywhere.
  2. If the emailed copies of the data are lost, the copies in the database are still there.
  3. The database can be accessed through a web browser with a suitable user interface.
  4. The data is typically backed up and can be restored.

If storage in an online database is for you, then you need to:

  1. Use encryption, like SSL or PGP, to ensure the data is securely stored in the database. Why? The contents of database tables are not encrypted or secure in general. Storing unencrypted data makes it available to anyone with access to the database or its backups.
  2. Provide a user interface that allows you to access the database data. It must be secure, have robust access controls, and provide a means for decrypting the data.

The database option requires much work to make a secure and usable solution. For this reason, most small organizations do not end up using secure database storage for important form data.

Save the Data in Files

The file storage option is the “quick and dirty” alternative to secure database storage. Essentially, your program will:

  1. Make a file containing the form data.
  2. Encrypt that file using PGP or SSL.
  3. Save that encrypted file in a directory on the web server that is not accessible from the website. Another option is to save it in an online file-sharing service.

Then, the website owners can log in to the web server using Secure FTP and download these files as needed. They can be decrypted locally when the data must be accessed. Other simpler data access mechanisms are available if the files are saved in an online file share.

This solution is secure and provides an excellent backup to securely emailed data.

Other Technical Tips for Creating Secure Website Forms

There are many other considerations in developing and maintaining a secure website and forms. It would be impossible to cover or even list them all. However, here are some more interesting and valuable tips.

Use Secure Cookies

If your secure site uses cookies for anything, set the “secure” cookie and the “httpOnly” flags. This will ensure that these cookies are never sent insecurely over the internet when the visitor arrives at any insecure pages of your website (they are not sent at all to insecure pages) and thus helps preserve the security of the contents of these secure cookies.

Prevent Form Spam

Form spam occurs when automated programs find your web forms and try to send spam through them. Form spam can result in hundreds or thousands of useless form posts daily. Once you start getting form spam, stopping it is a priority. There are two primary ways to help prevent spam:

  1. CAPTCHA – This method requires end-users to read text embedded in an image and type that text successfully into a form field. The back-end program then validates this. Since most spam programs cannot read text embedded in images, it will successfully block almost all automated forms spam. However, CAPTCHA requires the users to perform one more step, which can be annoying.
  2. JavaScript and Cookies – Most automated form spam programs do not process JavaScript or use cookies. If your web form requires JavaScript to submit the form successfully, bots cannot do this, and most form spam will be blocked. This method is less reliable than CAPTCHA but does not require any extra work from the end-user. Note that if you wish to use the JavaScript method, you must be sure that arbitrary submissions to the default action URL of your forms will never succeed—only submissions made after the execution of your custom JavaScript should succeed.

Minimize the Need for Trust

A good rule of thumb is to minimize the need to trust third parties and trust only the trustworthy.

  1. If you do not trust your internal IT staff, do not host your web application on your servers or give them access to the server used.
  2. If you do not trust the third-party hosting your website, encrypt the form data as soon as possible. This helps ensure that the data is not saved anywhere in plain text and is not backed up in plain text, thus minimizing your exposure to unauthorized people. Further, ensure that the private keys and passwords needed to decrypt the data are not stored on the web host’s servers.
  3. Ensure that only authorized staff can access the submitted form data. Ideally, it should always be encrypted, and only authorized people should be able to decrypt it.

These are just a few obvious points. As you evaluate your web application and data flow, ask yourself, “Who can access the raw data and how?” at each stage. Are there stages where you are trusting people who should not be trusted?

Forced use of strong encryption in SSL

The strength of encryption used by SSL is a function of both the user’s web browser and the server. Even if your web server supports excellent encryption, like AES256, the user’s browser may choose a weaker level of encryption. Older versions of Internet Explorer are notable for choosing weaker encryption in the interest of speed.

You can modify your web server configuration so that only levels of encryption you approve can be used to access your site.

Use Two-Factor Authentication

Two-factor authentication is standard on very secure sites now. You require a password and something else (a code or token) to validate their identity. With both, the user can log in. Avoid using only SMS texting as the second factor, which is no longer considered secure.

Get Started Creating Secure Web Forms

Outsourcing your form hosting and processing can be the fastest and most cost-effective way to get started. LuxSci’s Secure Form was designed for security and compliance. Contact us today to learn more about protecting sensitive information online.

Picture of Erik Kangas

Erik Kangas

With 30 years engaged in to both academic research and software architecture, Erik Kangas is the founder and Chief Technology Officer of LuxSci, playing a core role in building the company into the market leader for HIPAA compliant, secure healthcare communications solutions that it is today. An international lecturer on messaging security, Erik also advises and consults on email technology strategies and best practices, secure architectures, and HIPAA compliance. Erik holds undergraduate degrees in physics and mathematics from Case Western Reserve University, and a doctoral degree in computational biophysics from MIT. Erik Kangas — LinkedIn

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HIPAA Security Rule Update

The HIPAA Security Rule Missed Its May Deadline — Here’s What We Know

The proposed HIPAA Security Rule update has become one of the most closely watched healthcare compliance developments in recent years. Designed to strengthen cybersecurity protections for electronic protected health information (ePHI), the proposal could significantly reshape how healthcare organizations approach risk management, ePHI encryption, and mandatory email encryption requirements.

A final rule was expected as early as May 2026. However, that deadline has now passed without publication from the U.S. Department of Health and Human Services (HHS) Office for Civil Rights (OCR).

So, what happens next—and what should healthcare IT directors, CISOs, and compliance officers do now?

Where Things Stand Today

The HIPAA Security Rule Notice of Proposed Rulemaking (NPRM) was published on January 6, 2025, with the goal of strengthening cybersecurity protections for ePHI in response to escalating ransomware attacks, healthcare breaches, and growing concerns about cyber resilience across the healthcare sector.

The proposal generated thousands of public comments from healthcare providers, payers, business associates, technology vendors, and industry groups. OCR has spent much of the past year reviewing this feedback and evaluating the operational and financial impact of the proposed changes.

Although the Spring Unified Regulatory Agenda identified May 2026 as a target date for a final rule, that milestone came and went without publication. As of June 2026, the proposed HIPAA Security Rule update remains under review.

While some organizations may be tempted to take a wait-and-see approach, the missed deadline should not be interpreted as a signal that the initiative has stalled. If anything, the proposal offers valuable insight into the future direction of healthcare cybersecurity regulation.

The Growing Focus on Mandatory Email Encryption

One of the most discussed aspects of the proposed HIPAA Security Rule update is encryption.

Under the current HIPAA Security Rule, encryption is generally classified as an “addressable” implementation specification. Organizations can choose alternative safeguards if they document and justify their decisions through a risk analysis process.

The proposed changes would significantly reduce that flexibility. Instead, many security safeguards, including encryption controls, would become more prescriptive and difficult to avoid.

While the final language has not yet been released, healthcare organizations should pay close attention to the proposal’s clear message: protecting ePHI through encryption is increasingly viewed as a baseline cybersecurity requirement.

This is particularly important for email communications.

Email remains one of the most widely used communication channels in healthcare, supporting everything from patient engagement and care coordination to billing, scheduling, and marketing communications. As regulators continue to focus on reducing data breach risks, mandatory email encryption is emerging as a likely area of increased scrutiny.

What Healthcare Organizations Should Do Now

The current delay creates an opportunity, not a reason to postpone action.

Healthcare organizations can begin preparing for likely requirements today by evaluating the security controls highlighted throughout the proposed rule.

Key areas to review include:

  • Encryption of ePHI across systems and communications channels
  • Comprehensive asset inventories and ePHI data mapping
  • Enhanced risk analysis and risk management processes
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  • Incident response planning and testing
  • Backup and recovery procedures
  • Email security and secure email encryption practices

Organizations that proactively strengthen these areas now will be better prepared regardless of the final rule’s implementation timeline.

Why Secure Email Encryption Should Be a Priority

For many healthcare organizations, email remains one of the largest compliance and security risks.

Human error, misdirected messages, phishing attacks, and inconsistent encryption practices continue to contribute to breaches involving protected health information. As a result, secure email encryption is increasingly becoming a foundational component of healthcare cybersecurity strategies.

Organizations that rely on manual encryption processes or employee judgment alone may find it difficult to meet evolving regulatory expectations.

Instead, healthcare organizations should look for solutions that automate encryption decisions, reduce user error, and provide flexibility based on the sensitivity of the communication.

At LuxSci, we have long believed that security and usability must work together. We are 100% focused on secure healthcare communications, helping healthcare providers, payers, and suppliers protect sensitive data while improving patient and customer engagement. Our proven secure email solutions, used by leading companies including Athenahealth, 1-800 Contacts, and Hinge Health, help organizations protect ePHI with automated encryption capabilities that support both compliance and operational efficiency. Our unique SecureLine encryption technology enables organizations to apply the appropriate level of protection while maintaining a seamless experience for patients, customers, and staff.

For organizations already using Microsoft 365 or Google Workspace, LuxSci Secure Email Gateway can add HIPAA-compliant email security and encryption without requiring users to change their existing workflows. This approach helps reduce risk, while preserving productivity and user adoption.

The Bottom Line

The HIPAA Security Rule final rule may have missed its anticipated May deadline, but the cybersecurity challenges driving the proposal remain very real.

The OCR is still expected to make the rule change, which could require mandatory encryption of ePHI by early 2027.

The time to prepare is now!

Healthcare organizations should view the proposed HIPAA Security Rule update as an advance warning of where regulatory expectations are heading. Stronger cybersecurity controls, enhanced risk management, ePHI encryption, and mandatory email encryption requirements are all likely to remain central themes in future compliance efforts.

The organizations that begin preparing now will not only be better positioned for future regulatory changes, but will also strengthen their ability to protect patient data, reduce risk, and build trust in an increasingly challenging threat landscape.

At LuxSci, we’re proud to support the healthcare industry’s ongoing digital transformation through secure healthcare communications. Our HIPAA-compliant solutions for secure email, email marketing, and forms empower organizations to safely use and protect PHI, while delivering better patient experiences and outcomes.

Ready to strengthen your healthcare cybersecurity strategy?

Learn more about LuxSci and our complete suite of HIPAA compliant email and marketing solutions, or schedule a consultation with one of our healthcare communication experts today.

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LuxSci Awarded 20 Badges in the G2 Summer 2026 Reports

We’re excited to announce that LuxSci has again been recognized by G2 with 20 badges in its just-released Summer 2026 Reports, highlighting our continued leadership in secure healthcare communications and HIPAA compliant email solutions.

The new LuxSci G2 recognitions span several categories, including:

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  • Best Support
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  • Leader

These latest LuxSci G2 awards reflect what matters most to our customers: delivering secure, HIPAA compliant healthcare communications backed by responsive support and measurable business results.

As one of the most trusted providers of HIPAA compliant email, marketing, and forms solutions, we’re proud to see our commitment recognized across multiple product categories and customer satisfaction metrics.

Recognition Built on Customer Experience

LuxSci’s G2 rankings are based on verified customer feedback and real-world user experiences, making these badges especially meaningful to our team.

This year’s Summer Reports recognized LuxSci for consistently delivering value to healthcare organizations looking to securely engage patients and customers while maintaining compliance with HIPAA requirements.

Among the highlights, the LuxSci G2 recognition includes:

  • Best Estimated ROI, reflecting the measurable value customers achieve through secure healthcare communications and personalization
  • Best Support, reinforcing LuxSci’s long-standing reputation for responsive, knowledgeable customer service
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  • Leader recognition for delivering secure, scalable communications solutions trusted by healthcare organizations

At LuxSci, we believe secure communications should also drive better engagement, stronger outcomes and operational efficiency. These recognitions reinforce our focus on helping healthcare providers, payers and suppliers personalize communications while protecting sensitive patient data.

Supporting the Future of Personalized Healthcare Engagement

LuxSci’s secure healthcare communication and patient engagement solutions empower organizations to safely communicate with patients and customers through:

  • HIPAA-compliant high volume email
  • Secure email marketing
  • Secure forms and data collection
  • Flexible encryption with SecureLine technology

Our solutions are designed to help healthcare organizations improve engagement, streamline workflows and personalize the healthcare journey while maintaining the highest standards of security and compliance.

These latest LuxSci G2 recognitions also build on LuxSci’s broader reputation for security, performance and customer success. Security and trust remain foundational to everything we do, alongside our commitment to delivering smart, responsive support for our customers.

Thank You to Our Customers

We’re grateful to our customers for their continued trust, collaboration and feedback. Their reviews and insights help shape our products and drive ongoing innovation across the LuxSci product set.

To learn more about LuxSci’s secure healthcare communications solutions, contact our team to schedule a secure email assessment or demo.

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Email Encryption

Is OCR Already Enforcing Email Encryption Under the New HIPAA Security Rule?

Healthcare organizations waiting for the final HIPAA Security Rule updates before improving email encryption and security may already be behind.

While the proposed changes to the HIPAA Security Rule are expected to be finalized in May, the direction from the U.S. Department of Health and Human Services Office for Civil Rights (OCR) is becoming increasingly clear. Across investigations, settlements, and enforcement actions, OCR continues emphasizing stronger technical safeguards, encryption, documented security programs, multi-factor authentication (MFA), risk analysis, and proactive cybersecurity operations.

For healthcare organizations, one area stands directly in the middle of all of these priorities: email.

Email remains a primary communication channel in healthcare — and one of the industry’s largest security vulnerabilities. From unauthorized PHI exposure to phishing attacks and ransomware delivery to account compromise, email continues to be at the center of healthcare cybersecurity incidents.

So, are the proposed HIPAA Security Rule changes hypothetical future guidance or a preview of OCR’s future enforcement expectations?

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Email = Healthcare Cybersecurity Risk

Healthcare organizations rely on email for critical communications and healthcare workflows, including:

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  • Claims and billing notifications
  • Marketing and engagement
  • Internal collaboration
  • Third-party vendor communications
  • Delivery of sensitive PHI

At the same time, attackers continue targeting email systems because they remain one of the easiest entry points into healthcare environments.

Insecure email workflows create unnecessary exposure of protected health information. Phishing campaigns are becoming more sophisticated. Credential theft attacks are bypassing traditional MFA methods. And business email compromise (BEC) attacks continue rising.

Recent OCR enforcement actions increasingly reflect these realities.

Organizations are being evaluated not simply on whether a breach occurred, but whether they implemented reasonable safeguards beforehand, including encryption, authentication controls, monitoring, access management, and documented risk mitigation processes.

For email systems specifically, that means healthcare organizations should expect increased scrutiny around:

  • Email encryption enforcement
  • MFA deployment
  • Audit logging and retention
  • Conditional access policies
  • Vendor security controls
  • Secure email delivery best practices
  • Segmentation and infrastructure isolation
  • Ongoing patch and vulnerability management

In many ways, email infrastructure is becoming a visible test of an organization’s overall cybersecurity posture.

Email Encryption Is Moving From Addressable to Required

Historically, healthcare organizations often interpreted HIPAA email encryption requirements with flexibility because encryption was technically categorized as an “addressable” safeguard under the Security Rule. But, OCR enforcement and broader cybersecurity realities are changing that interpretation rapidly.

Today, failing to encrypt sensitive healthcare communications increasingly creates both security and regulatory risk. The proposed Security Rule updates place even greater emphasis on encryption and technical safeguards. At the same time, OCR investigations continue examining whether organizations properly protected PHI in transit and at rest.

For healthcare email specifically, this creates several growing expectations:

  • Email encryption should be automated wherever possible
  • Human error should not determine whether PHI is protected
  • Organizations should maintain documented encryption policies
  • Secure delivery methods should adapt dynamically to recipient capabilities
  • Audit trails should demonstrate how messages were secured

At LuxSci, we have long believed that encryption should operate as a strategic layer of healthcare communications infrastructure, not as a manual user decision.

Our SecureLine email encryption technology automatically applies appropriate encryption methods based on organizational policies and delivery requirements, helping reduce the risks associated with human error while maintaining usability, deliverability and compliance. As enforcement expectations rise, this type of automated security enforcement is becoming increasingly important.

Traditional MFA May No Longer Be Enough

Another major shift emerging from both OCR enforcement trends and the proposed rule updates is the growing importance of stronger authentication models.

Healthcare organizations have historically viewed MFA deployment as sufficient protection. But attackers have adapted quickly.

MFA bypass attacks, token theft, session hijacking, and consent phishing campaigns are increasingly targeting healthcare users. As a result, regulators and cybersecurity experts are placing greater emphasis on phishing-resistant authentication approaches and contextual access controls.

For email environments, organizations should increasingly evaluate:

  • Whether MFA methods are resistant to phishing attacks
  • Conditional access policies based on device, location, and behavior
  • Account monitoring and anomaly detection
  • Administrative access protections
  • Session management controls
  • Logging and authentication auditing

The broader message is clear: healthcare organizations need authentication strategies designed for today’s threat landscape, not yesterday’s compliance checklist.

OCR Wants Proof, Not Just Policies

One of the clearest trends emerging from recent OCR activity is the increasing importance of documentation and operational evidence. Healthcare organizations must increasingly demonstrate not only that safeguards exist, but that they are consistently enforced, monitored, tested, and maintained over time.

For email systems, organizations should be prepared to demonstrate:

  • Email encryption policies
  • MFA enforcement records
  • Audit logs and message tracking
  • Vendor security documentation
  • Risk assessments involving email infrastructure
  • Patch management procedures
  • Employee security awareness training
  • Incident response procedures for email-based threats

This represents a broader shift in healthcare cybersecurity expectations.

The question is no longer: “Do you have email security controls?”

The question is increasingly: “Can you prove they are operationally effective?”

Healthcare Organizations Need a New Email Security Strategy

The healthcare industry is entering a new phase of cybersecurity enforcement.

OCR’s direction is becoming increasingly clear: organizations are expected to proactively secure systems handling PHI using modern, documented, and continuously maintained safeguards. For email security specifically, that means organizations should stop treating encryption, MFA, and secure communications as optional compliance requirements. Instead, they should view secure email infrastructure as a strategic component of enterprise cybersecurity and patient trust.

At LuxSci, we help healthcare organizations modernize secure communications with HIPAA compliant email infrastructure designed specifically for healthcare environments, including flexible encryption, secure delivery, auditability, high deliverability, access controls, and dedicated infrastructure options.

The proposed HIPAA Security Rule updates may not yet be final. But, OCR is already signaling where healthcare cybersecurity enforcement is headed next. For organizations relying on email to communicate with patients, members, customers, and partners, the time to examine your secure email infrastructure is now.

Connect with our experts to learn more using the form at the top of this page!

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LuxSci HIPAA Compliant Email for Mid-Sized Healthcare Organizations

LuxSci Launches Enterprise-Grade HIPAA Compliant Email Security for Mid-Sized Healthcare Organizations

New right-sized offering brings advanced encryption, easy API integration, and HITRUST-certified compliance to the most underserved segment in healthcare email — with pricing starting at $99/month

CAMBRIDGE, MA — May 5, 2026 — LuxSci, a leading provider of HIPAA compliant secure healthcare communications, today announced the launch of LuxSci Secure High Volume Email for mid-sized healthcare organizations, the industry’s trusted HIPPA-compliant email solution now packaged and priced for mid-size healthcare organizations. Regional health systems, health plans, specialty group practices, urgent care networks, and multi-site regional providers can now access LuxSci’s enterprise-grade email security and encryption infrastructure at published, volume-based pricing — with no custom quote required.

LuxSci Secure High Volume Email for mid-sized healthcare organizations delivers the same HITRUST CSF r2-certified email security and flexible encryption capabilities that power communications for some of the largest healthcare organizations in the industry, including Athenahealth, 1-800 Contacts, Hinge Health and Eurofins. The new LuxSci mid-sized offer is tiered and priced for organizations with email sending volumes of between 300 and 99,000 emails per month.

LuxSci Secure High Volume Email is built on the company’s proprietary SecureLine™ encryption technology, which automatically selects the optimal email encryption method — TLS, secure portal fallback, PGP, or S/MIME — on a per-recipient basis at the time of delivery, with no action required from senders or recipients. This intelligent, adaptive encryption method goes significantly beyond TLS-only or portal fallback models offered by basic platforms, giving mid-market healthcare organizations the flexibility and cybersecurity depth they need as HIPAA regulations tighten and email threats continue to get more sophisticated.

Key capabilities include:

  • Automatic email encryption via SecureLine™ — encrypt every email and its content, including Protected Health Information (PHI), with per-recipient adaptive encryption across TLS, portal fallback, PGP, and S/MIME.
  • Advanced REST API with webhooks for dataflows into your systems — supports unlimited messages/hour with failover, queuing, plus webhooks can push email engagement data back to EHRs, CRMs, RCM and customer data platforms.
  • Comprehensive audit logging and reporting — message-level tracking, delivery status, engagement reporting, and downloadable reports for compliance officers.
  • HITRUST CSF r2 certification, BAA, GDPR-compliant, and US-EU Privacy Framework agreement all included.
  • Microsoft 365 and Google Workspace overlay — use LuxSci’s Secure Email Gateway add-on to integrate directly with existing M365 or Google Workspace environments, adding HIPAA-compliant encryption without migration or user retraining.
  • HIPAA-compliant patient engagement — secure outbound email campaigns with PHI-powered hyper-segmentation, automated workflows, and personalized emails for marketing campaigns, proactive patient communications, appointment reminders, care gap outreach, new plan enrollments, healthcare education, and more — with LuxSci Secure Marketing add-on.

New Published LuxSci Pricing

LuxSci Secure High Volume Emai for mid-sized healthcare organizations features published pricing based on monthly sending volume:

Monthly Send VolumeMonthly Price
300 to 9,999 emails/month $99/month
10,000 – 29,999 emails/month $199/month
30,000 – 49,999 emails/month $299/month
50,000 – 99,999 emails/month $399/month
100,000+ emails/month Custom

“Mid-size healthcare organizations have been underserved for too long, forced to choose between inadequate email security tools that weren’t built for healthcare and HIPAA compliance and enterprise level solutions that felt too big or too complex,” said Mark Leanord, CEO of LuxSci. “Our new secure email packaging for mid-sized organizations changes that. We’re making the same encryption depth, ease of integration into EHRs, CRMs and other systems, and compliance rigor that powers our largest customers accessible for mid-sized organizations to easily evaluate and buy.”

Timing and Market Context

The launch comes at a critical moment for mid-size healthcare organizations. The HHS HIPAA Security Rule overhaul, expected to finalize in mid-2026, is anticipated to mandate email encryption as a required safeguard, elevating email security from addressable best practice to a regulatory requirement for thousands of organizations that have not yet upgraded their email security and compliance posture. LuxSci secure email is designed to meet these requirements, backed by HITRUST CSF r2 certification and the company’s 20-year track record in secure healthcare communications.

Availability

LuxSci Secure Email for mid-sized healthcare organizations is available immediately. Pricing and product details are published here.

Users can contact LuxSci to set up a call or DEMO.

About LuxSci

LuxSci is a leading provider of secure healthcare communications solutions for the healthcare industry. The company offers secure email, marketing, forms and hosting, delivering HIPAA‑compliant communication solutions that enable organizations to safely manage and transmit sensitive data, including protected health information (PHI). Founded in 1999 and recently merged with digital care and telehealth provider Ovia Health, LuxSci serves more than 2,000 customers across healthcare verticals, including providers, payers, suppliers, and healthcare retail, home care providers, and healthcare systems, as well as organizations operating in other highly regulated industries. LuxSci is HITRUST‑certified with current customers including Athenahealth, 1800 Contacts, Lucerna Health, Eurofins, and Rotech Healthcare, among others.

###

Media Contact:
Pete Wermter, CMO

pwermter@luxsci.com

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Why Is Doctor Patient Email Communication Transforming Healthcare?

Doctor patient email communication is changing healthcare delivery by providing secure, convenient channels for medical consultations, follow-up care, and health information sharing between physicians and their patients. This digital communication method enables patients to ask questions, receive test results, and discuss treatment concerns outside traditional office visits while maintaining HIPAA compliance through encrypted platforms. Healthcare providers increasingly recognize that doctor patient email communication improves patient satisfaction, reduces phone call volumes, and creates documented records of medical discussions that enhance care coordination and clinical decision-making.

Clinical Benefits of Doctor Patient Email Communication

Patient outcomes improve when physicians maintain electronic communication channels with their patients between scheduled appointments. Chronic disease management becomes more effective as patients can report symptoms, share monitoring data, and receive medication adjustments through secure messaging rather than waiting weeks for the next office visit. Diabetic patients who communicate glucose readings electronically show better glycemic control compared to those relying solely on quarterly appointments for blood sugar management discussions. Healthcare providers leveraging doctor patient email communication can send personalized reminders and educational content directly to patient email accounts, increasing preventive care compliance. Vaccination schedules, cancer screening appointments, and wellness check-ups receive higher participation rates when patients receive convenient electronic reminders with easy scheduling options. Follow-up care after procedures becomes more systematic when physicians can check on patient recovery progress through structured email communications rather than hoping patients will call with concerns.

Medication adherence patterns show improvement when patients have direct access to their prescribing physicians for questions about side effects, dosing concerns, or treatment effectiveness. Patients experiencing medication-related issues can receive prompt guidance through secure email, preventing treatment discontinuation that might otherwise occur if patients cannot reach their physicians quickly. Mental health patients particularly benefit from email communication options that allow them to discuss medication effects and mood changes between therapy sessions. Emergency situation prevention occurs when patients can communicate concerning symptoms to their physicians promptly rather than waiting for symptoms to worsen. Early intervention opportunities arise when patients describe symptom changes through secure messaging, allowing physicians to provide guidance about when to seek immediate care versus when to monitor symptoms at home. These timely communications can prevent unnecessary emergency department visits while ensuring appropriate medical attention when needed.

Better Patient Experience Through Electronic Communication

Convenience factors drive patient satisfaction scores higher in practices offering robust email communication options. Patients appreciate being able to ask questions about their health concerns without taking time off work for phone calls during business hours. Working parents find email communication particularly valuable for discussing their children’s health issues when calling during school hours is impractical. Elderly patients often prefer written communication that allows them time to formulate questions thoughtfully and review physician responses carefully. Communication barriers decrease when patients can express complex health concerns in writing rather than trying to remember everything during brief office visits. Language differences become more manageable when patients can use translation tools to compose questions in their native language and receive responses they can translate at their own pace. Hearing-impaired patients benefit significantly from written communication that eliminates telephone communication challenges.

Documentation benefits emerge when patients receive written responses to their health questions that they can reference repeatedly and share with family members or other healthcare providers. Medication instructions, dietary recommendations, and treatment plans become clearer when patients can review detailed written guidance from their physicians. Care coordination improves when patients can forward physician communications to specialists or other healthcare team members involved in their treatment. Access equity expands when patients in rural areas can communicate with specialists through secure email rather than traveling long distances for brief consultations. Transportation barriers that prevent some patients from accessing healthcare are reduced when routine follow-up discussions can occur electronically. Doctor patient email communication creates opportunities for healthcare access that would otherwise be limited by geographic, mobility, or scheduling constraints.

Practice Efficiency and Workflow Optimization

Administrative burden reduction is a by product of routine patient questions being answered through email rather than requiring phone calls that interrupt clinical workflow. Reception staff spend less time taking messages and scheduling callbacks when patients can communicate directly with their physicians through secure platforms. Documentation time decreases when physician responses are automatically captured in electronic health records rather than requiring manual notes from telephone conversations. Appointment scheduling can become more efficient when patients can request appointments, receive confirmations, and make changes through secure email systems integrated with practice management software. No-show rates decline when patients receive email reminders with options to reschedule or cancel appointments conveniently. Last-minute appointment changes can be communicated quickly through email, allowing practices to fill cancelled slots with other patients needing care.

Revenue optimization results from improved care coordination and patient retention that doctor patient email communication facilitates. Patients who feel connected to their healthcare providers through convenient communication channels are more likely to remain with practices long-term and refer family members for care. Billing efficiency improves when patient questions about statements, insurance coverage, or payment options can be handled through email rather than requiring phone calls during busy reception hours. Quality metrics change when physicians can provide consistent, documented responses to patient questions rather than relying on verbal communication that may be misunderstood or forgotten. Patient safety indicators benefit from written communication that creates clear records of medical advice, treatment instructions, and patient concerns. Continuity of care strengthens when multiple healthcare team members can review email communications to understand patient status and treatment responses.

Risk Management with Doctor Patient Email Communication

Privacy protection requirements necessitate robust security measures for all electronic communications containing patient health information. Healthcare providers implementing doctor patient email communication must ensure their platforms include end-to-end encryption, secure authentication protocols, and audit logging capabilities that meet HIPAA standards. Business associate agreements with email service providers must specify exactly how patient communications will be protected and what security measures will be maintained throughout message transmission and storage. Liability considerations require healthcare providers to establish clear policies about what types of medical issues are appropriate for email discussion versus what requires telephone or in-person evaluation. Emergency situations, urgent symptoms, and complex medical decisions typically require immediate communication methods rather than email responses that patients may not check promptly. Professional liability insurance policies should be reviewed to ensure coverage for medical advice provided through electronic communication channels.

Documentation standards for electronic communications must meet the same requirements as other medical records, with secure storage, appropriate retention periods, and accessibility for audit purposes. Email communications containing medical advice or patient health information must be integrated with electronic health record systems to maintain comprehensive patient documentation. These records must be available for legal discovery, regulatory audits, and quality improvement activities. Consent procedures should inform patients about the security measures protecting their email communications while acknowledging that electronic transmission carries inherent privacy risks despite protective measures. Patients should understand their role in protecting their email accounts from unauthorized access and know what steps to take if they suspect their health information has been compromised. Healthcare providers benefit from obtaining written acknowledgment that patients understand email communication policies and security limitations.

Platform Selection for Doctor Patient Email Communication

Electronic health record integration ensures that doctor patient email communication becomes part of comprehensive patient documentation rather than existing as separate communication silos. Seamless data flow between email platforms and clinical documentation systems eliminates duplicate data entry while ensuring that all patient interactions are properly recorded in medical records. Integration capabilities should include automatic population of patient communications into appropriate sections of electronic health records. Mobile accessibility enables both physicians and patients to participate in secure email communication from various devices without compromising security standards. Healthcare providers need platforms that maintain encryption and authentication requirements across desktop computers, tablets, and smartphones used for patient communication. Mobile applications should provide the same security features as desktop platforms while offering convenient access for busy healthcare providers and patients.

Scalability planning ensures that email communication systems can accommodate growing patient populations and increasing message volumes without degrading performance or security. Healthcare practices experiencing growth need platforms that can add users, increase storage capacity, and expand functionality without requiring complete system replacements. Those mastering doctor patient email communication recognize that technology investments should support long-term practice development rather than creating limitations that require frequent system changes. Interoperability standards enable email platforms to communicate effectively with other healthcare information systems, including laboratory reporting systems, pharmacy networks, and specialist referral platforms. These connections create seamless workflows that reduce administrative burden while ensuring that patient communications are appropriately integrated with all aspects of their healthcare experience. Healthcare providers benefit from email systems that can exchange information securely with the various technology platforms used throughout modern healthcare delivery.

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LuxSci vs. Paubox

LuxSci vs. Paubox: How to Choose the Right HIPAA-Compliant Email Provider

Choosing the right HIPAA-compliant email vendor is crucial for protecting patient data and ensuring compliance with healthcare regulations, including verifying HIPAA compliance and security features, evaluating ease of use and integration capabilities, assessing deliverability and performance, and understanding pricing and scalability. You should also evaluate a vendor’s customer support and company reputation.

The Health Insurance Portability and Accountability Act (HIPAA) details strict guidelines for securing sensitive patient data, including Protected Health Information (PHI). As a result, healthcare providers, payers, and suppliers must use a HIPAA-compliant email provider to abide by regulations designed to safeguard PHI.

With this in mind, this post evaluates two of today’s most popular HIPAA-compliant email providers on the market: LuxSci and Paubox. We’ll compare the two HIPAA-compliant offerings on several criteria, helping you to decide which email provider best fits the needs of your organization.

LuxSci vs. Paubox: Evaluation Criteria

We will evaluate LuxSci vs. Paubox on the following criteria:

  • Data security and Compliance: how well each email provider safeguards PHI as per HIPAA’s requirements 
  • Performance and Scalability: the platform’s ability to conduct bulk email marketing campaigns, and scale them as a company’s engagement efforts grow.
  • Infrastructure: if it provides the necessary technical infrastructure, processes and controls to both protect sensitive patient data and support high-volume email marketing campaigns.
  • Marketing Capabilities: if the platform provides tools for optimizing and refining your communication strategies.
  • Ease of Use: how steep the learning curve is for each platform.
  • Other HIPAA-Compliant Products: if the email provider offers complementary features that will aid your patient engagement efforts. 

Now that we’ve explained the parameters by which we’ll be comparing the HIPAA compliant email providers, let’s see how LuxSci and Paubox stack up against each other. 

LuxSci vs. Paubox: How They Compare

Data Security and Compliance

Both LuxSci and Paubox perform admirably here, with both being fully HIPAA-compliant email providers, offering automated encryption that allows you to include PHI in email communications straight away. Both providers secure email data both in transit and at rest.

Additionally, both are HITRUST certified, which further demonstrates a strong commitment to data privacy and security.

When compared to Paubox, LuxSci has the edge here because it has more comprehensive encryption options. This includes highly flexible encryption: automatically setting the ideal level of security and encryption needs based on the email content, recipient and business process.

Performance and Scalability

While both email providers deliver proven solutions and enable healthcare companies to scale their email marketing campaigns accordingly, LuxSci is the better option for high-volume email marketing campaigns, including bulk sending of hundreds of thousands to millions of emails per month. This is due to the fact that LuxSci specializes in assisting large healthcare organizations with executing high volume email marketing campaigns, including companies like Athenahealth, 1800 Contacts, Eurofins, and Rotech medical equipment. Consequently, LuxSci offers enterprise-grade scalability and has developed robust solutions capable of the high throughput required for enterprise-level patient and customer engagement efforts.

Infrastructure

Additionally, when it comes to other aspects related to infrastructure, LuxSci demonstrates an advantage. Firstly, they offer a dedicated, single tenant infrastructure, as well as secure email hosting, while Paubox does not. Additionally, though Paubox can provide additional options, such as high availability and disaster recovery, their capabilities may not as comprehensive as LuxSci.

Marketing capabilities

Both email delivery platforms possess useful marketing tools, enabling more effective HIPAA-compliant email marketing. This includes automation for streamlining email marketing campaigns and, customization options, so your messages are both more compelling and align with your company’s branding.

LuxSci offers comprehensive reporting capabilities, including real-time monitoring, detailed performance metrics (e.g., deliverability, open and click-through rates, bounced emails, spam complaints, and recipient domain reporting), as well as granular segmentation options.

Ease of use

Paubox has the edge here, being the easier of the two HIPAA-compliant email providers to deploy and for staff to get to ramp up on. Suited for more complex and sophisticated environments, LuxSci offsets this with exemplary customer support honed from decades of facilitating organizations’ HIPAA-compliant email marketing campaigns – especially for this on a large scale.

Other HIPAA-compliant Products

Lastly, when it comes to complementary features, both LuxSci and Paubox offer secure texting functionality, allowing healthcare companies to cater to their patients and customers who prefer to communicate via SMS. And while both email providers feature secure forms for HIPAA-compliant data collection, LuxSci’s forms are capable of handling complex workflows, including multi-step data collection, and providing better customization options.

Additionally, both provide capabilities for secure file sharing. LuxSci’s secure file sharing encrypts files at rest and in transit, allowing for granular access controls and helping ensure that only those within your company who must handle PHI have the appropriate access permissions. This is yet another safeguard against the exposure of PHI, whether accidentally, through identity theft (e.g., session-hijacking by a cybercriminal), or even corporate espionage. 

Get Your Copy of LuxSci’s Vendor Comparison Guide

While this post focuses on comparing  LuxSci and Paubox, we have created a complete Vendor Comparison Guide, which compares 12 email providers and is packed full of essential information on HIPAA-compliant communication and how to choose the best healthcare email solution for your organization.

You can grab your copy here, and don’t hesitate to contact us to explore your options for HIPAA-compliant email further.

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biggest email threats

Know the Biggest Email Threats Facing Healthcare Right Now

Due to its near-universal adoption, speed, and cost-effectiveness, email remains one of the most common communication channels in healthcare. Consequently, it’s one of the most frequent targets for cyber attacks, as malicious actors are acutely aware of the vast amounts of sensitive data contained in messages – and standard email communication’s inherent vulnerabilities.

In light of this, healthcare organizations must remain aware of the evolving email threat landscape, and implement effective strategies to protect the electronic protected health information (ePHI) included in email messages. Failing to properly secure email communications jeopardizes patient data privacy, which can disrupt operations, result in costly HIPAA compliance violations, and, most importantly, compromise the quality of their patients’ healthcare provision.

With all this in mind, this post details the biggest email threats faced by healthcare organizations today, with the greatest potential to cause your business or practice harm by compromising patient and company data. You can also get our 2025 report on the latest email threats, which includes strategies on how to overcome them.

Ransomware Attacks

Ransomware is a type of malware that encrypts, corrupts, or deletes a healthcare organization’s data or critical systems, and enables the cybercriminals that deployed it to demand a payment (i.e., a ransom) for their restoration. Healthcare personnel can unwittingly download ransomware onto their devices by opening a malicious email attachment or clicking on a link contained in an email.

In recent years, ransomware has emerged as the email security threat with the most significant financial impact. In 2024, for instance, there were over 180 confirmed ransomware attacks with an average paid ransom of nearly $1 million. 

Email Client Misconfiguration

While a healthcare organization may implement email security controls, many fail to know the security gaps of their current email service provider (ESP) or understand the value of a HIPAA compliant email platform, leaving data vulnerable to email threats, such as unauthorized access and ePHI exposure, and also, subsequently, a greater risk of compliance violations and reputation damage.

Common types of email misconfiguration include:

  • Lack of enforced TLS encryption: resulting in emails being transmitted in plaintext, rendering the patient data they contain readable by cybercriminals in the event of interception during transit.
  • Improper SPF/DKIM/DMARC setup: failure to configure or align these email authentication protocols correctly gives malicious actors greater latitude to successfully spoof trusted domains.
  • Disabled or lax user authentication: a lack of authentication measures, such as multi-factor authentication (MFA), increases the risk of unauthorized access and ePHI exposure.
  • Misconfigured secure email gateways: incorrect rules or filtering policies can allow phishing emails through or block legitimate messages.
  • Outdated or unsupported email client software: simply neglecting to download and apply the latest updates or patches from the email client’s vendor can leave vulnerabilities, which are well-known to cybercriminals, exposed to attack.

Social Engineering Attacks

A social engineering attack involves a malicious actor deceiving or convincing healthcare employees into granting unauthorized access or exposing patient data. Relying on psychological manipulation, social engineering attacks exploit a person’s trust, urgency, fear, or curiosity, and encompass an assortment of threats, including phishing and business email compromise (BEC) attacks, which are covered in greater depth below.

Phishing

As mentioned above, phishing is a type of social engineering attack, but they are so widespread that it warrants its own mention. Phishing sees malicious actors impersonating legitimate companies, or their employees, to trick victims into revealing sensitive patient data. 

Subsequently, healthcare organizations can be subjected to several different types of phishing attacks, which include:

  • General phishing: otherwise known as bulk phishing or simply ‘phishing’, these are broad, generic attacks where emails are sent to large numbers of recipients, impersonating trusted entities to steal credentials or deliver malware. 
  • Spear phishing: more targeted attacks that involve personalized phishing emails crafted for a specific healthcare organization or individual. These require more research on the part of malicious actors and typically use relevant insider details gleaned from their reconnaissance for additional credibility.
  • Whaling: a form of spear phishing that specifically targets healthcare executives or other high-level employees. 
  • Clone phishing:  when a cybercriminal duplicates a legitimate email that was previously received by the target, replacing links or attachments with malicious ones.
  • Credential phishing: also known as ‘pharming’, this involves emails that link to fake login pages designed to capture healthcare employees’ usernames and passwords under the guise of frequently used legitimate services.

Domain Impersonation and Spoofing

This category of threat revolves around making malicious messages appear legitimate, which can allow them to bypass basic email security checks. As alluded to above, these attacks exploit weaknesses in email client misconfigurations to trick the recipient, typically to expose and exfiltrate patient data, steal employee credentials, or distribute malware.

Domain spoofing email threats involve altering the “From” address in an email header to make it appear to be from a legitimate domain. If a healthcare organization fails to properly configure authentication protocols like SPF, DKIM, and DMARC, there’s a greater risk of their email servers failing to flag malicious messages and allowing them to land in users’ inboxes.

Domain impersonation, on the other hand, requires cybercriminals to register a domain that closely resembles a legitimate one. This may involve typosquatting, e.g., using “paypa1.com” instead of “paypal.com”. Alternatively, a hacker may utilize a homograph attack, which substitutes visually similar characters, e.g., from different character sets, such as Cyrillic. Malicious actors will then send emails from these fraudulent domains, which often have the ability to bypass basic email filters because they aren’t exact matches for blacklisted domains. Worse still, such emails can appear authentic to users, particularly if the attacker puts in the effort to accurately mimic the branding, formatting, and tone used by the legitimate entity they’re attempting to impersonate. 

Insider Email Threats

In addition to external parties, employees within a healthcare organization can pose email threats to the security of its PHI. On one hand, insider threats can be intentional, involving disgruntled employees or third-party personnel abusing their access privileges to steal or corrupt patient data. Alternatively, they could be the result of mere human error or negligence, stemming from ignorance, or even fatigue.

What’s more, insider threats have been exacerbated by the rise of remote and flexible conditions since the onset of the COVID-19 pandemic, which has created more complex IT infrastructures that are more difficult to manage and control.  

Business Email Compromise (BEC) Attacks

A BEC attack is a highly targeted type of social engineering attack in which cybercriminals gain access to, or copy, a legitimate email account to impersonate a known and trusted individual within an organization. BEC attacks typically require extensive research on the targeted healthcare company and rely less on malicious links or attachments, unlike phishing, which can make them difficult to detect.

Due to the high volume of emails transmitted within the healthcare industry, and the sensitive nature of PHI often included in communications to patients and between organizations, the healthcare industry is a consistent target of BEC attacks.

BEC attacks come in several forms, such as:

  • Account compromise: hijacking a real employee’s account and sending fraudulent messages.
  • Executive fraud: impersonating high-ranking personnel to request urgent financial transactions or access to sensitive data.
  • Invoice fraud: pretending to be a vendor asking for the payment of a fraudulent invoice into an account under their control.

Supply Chain Risk

Healthcare organizations increasingly rely on third-party vendors, including cloud service providers, software vendors, and billing or payment providers to serve their patients and customers. They constantly communicate with their supply chain partners via email, with some messages containing sensitive patient data; moreover, some of these organizations will have various levels of access to the PHI under their care.

Consequently, undetected vulnerabilities or lax security practices within your supply chain network could serve as entry points for email threats and malicious action. For instance, cybercriminals can compromise the email servers of a healthcare company’s third-party vendor or partner, and then send fraudulent emails from their domains to deploy malware or extract patient data.

Another, somewhat harrowing, way to understand supply chain risk is that while your organization may have a robust email security posture, in reality, it’s only as strong as that of your weakest third-party vendor’s security controls.

Download LuxSci’s Email Cyber Threat Readiness Report

To gain further insight into the biggest email threats to healthcare companies in 2025, including increasingly prevalent AI threats, download your copy of LuxSci’s Email Cyber Threat Readiness Report. 

You’ll also learn about the upcoming changes to the HIPAA Security Rule and how it’s set to impact your organization going forward, and the most effective strategies for strengthening your email security posture.

Grab your copy of the report here and begin the journey to strengthening your company’s email threat readiness today.

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Zero Trust Email Security in Healthcare

Zero Trust Email Security in Healthcare: A Requirement for Sending PHI?

As healthcare organizations embrace digital patient engagement and AI-assisted care delivery, one reality is becoming impossible to ignore: traditional perimeter-based security is no longer enough. Email, still the backbone of patient and operational communications, has become one of the most exploited attack surfaces.

As a result, Zero Trust email security in healthcare is moving from buzzword to necessity.

At LuxSci, we see this shift firsthand. Healthcare providers, payers, and suppliers are no longer asking if they should modernize their security posture, but how to do it without disrupting care delivery or patient engagement.

Our advice: Start with a Zero Trust-aligned dedicated infrastructure that puts you in total control of email security.

Let’s go deeper!

What Is Zero Trust Email Security in Healthcare?

At its core, Zero Trust email security in healthcare applies the principle of “never trust, always verify” to every email interaction involving protected health information (PHI).

This means:

  • Continuous authentication of users and systems
  • Device and environment validation before granting access
  • Dynamic, policy-based encryption for every message
  • No implicit trust, even within internal networks

Unlike legacy approaches that assume safety inside the network perimeter, Zero Trust treats every email, user, and endpoint as a potential risk.

Why Email Is a Critical Gap in Zero Trust Strategies

While many healthcare organizations have begun adopting Zero Trust frameworks for network access and identity, email often remains overlooked.

This is a major problem.

Email is where:

  • PHI is most frequently shared
  • Human error is most likely to occur
  • Phishing and impersonation attacks are most effective

Without a Zero Trust email security approach, organizations leave a critical gap in their defense strategy, one that attackers can actively exploit.

Healthcare Challenge: Personalized Communication and PHI Risk

Modern healthcare ecosystems are highly distributed:

  • Care teams span multiple locations
  • Third-party vendors access sensitive systems
  • Patients expect digital, personalized communication

This creates a complex web of PHI exchange—much of it through email.

At the same time, compliance requirements like HIPAA demand that PHI email security is addressed at all times.

The result is a growing tension between:

  • Security and compliance
  • Usability, engagement, and better outcomes

From Static Encryption to Intelligent, Adaptive Protection

Traditional email encryption methods often rely on:

  • Manual triggers
  • Static rules
  • User judgment

This introduces risk. A modern zero trust email security in healthcare model replaces this with:

  • Automated encryption policies based on content and context
  • Flexible encryption methods tailored to recipient capabilities – TLS, Portal Fallback, PGP, S/MIME
  • Seamless user experiences that human error – automated email encryption, including content

At LuxSci, our approach to secure healthcare communications is built around this philosophy. By automating encryption and providing each customer with a zero trust-aligned dedicated infrastructure, organizations can protect PHI without relying on end-user decisions or the actions of other vendors on the same cloud, significantly reducing risk while improving performance, including email deliverability.

Aligning Zero Trust with HIPAA and Emerging Frameworks

Zero Trust is not a replacement for compliance, it’s an enabler. A well-implemented Zero Trust approach helps organizations:

  • Meet HIPAA requirements for PHI protection
  • Reduce the likelihood of breaches
  • Strengthen audit readiness and risk management

More importantly, it positions healthcare organizations to align with emerging cybersecurity frameworks that increasingly emphasize identity, data-centric security, and continuous verification.

PHI Protection Starts with Email

Zero Trust is no longer a conceptual framework, it’s becoming the operational standard for healthcare IT, infrastructure, and data security teams.

But success depends on execution. Email remains the most widely used, and vulnerable, communication channels in healthcare. Without addressing it directly, Zero Trust strategies will fall short.

Here are 3 tips to stay on track:

  • Treat every email as a potential risk
  • Automate encryption at scale – secure every email
  • Enable personalized patient engagement with secure PHI in email

At LuxSci, we believe that HIPAA compliant email is the foundation for the future of secure healthcare communications, protecting PHI while enabling better patient engagement and better outcomes.

Reach out today if you want to learn more from our LuxSci experts.

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