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LuxSci Enhances API Authentication for Easier, More Flexible Integrations with EHRs, CDPs and RCM Platforms

Luxsci API

Today, we’re pleased to announce that LuxSci just made it even easier to leverage its powerful high volume email API with the healthcare platforms you rely on most. Whether you’re connecting with an EHR system, Customer Data Platform (CDP), Revenue Capital Management (RCM) platform—or even your contact center or unified communications suite—the new LuxSci API authentication options unlock the flexibility you need to scale and move fast.

In healthcare, connected patient journeys anchored in secure, personalized communications are driving increased engagement and better outcomes for patients and companies—all at a lower cost. From sending secure high-volume transactional emails to targeted marketing and educational communications, your systems and platforms need to talk to each other without friction to achieve the best results. LuxSci’s new API updates make that possible, securely.

What’s New in This Update

  • Support for OAuth 2.0, API Key, and Basic authentication methods.
  • Published API YAML specs and SwaggerHub integration for instant testing.
  • Enhanced multi-factor authentication (MFA) protection with one-time-use codes.

Overview of the LuxSci API

The LuxSci API is built with healthcare IT, security and developer teams in mind. It’s RESTful, secure, and designed for high volume email workflows.

Using industry standards like HTTPS, JSON, and TLS 1.2+, LuxSci’s API delivers fast and reliable integration and communication. Whether you’re sending appointment reminders, test results, preventative care communications, explanation of benefits (EoBs), or new product offers, your messages go out quickly and securely, with best-in-class email deliverability rates of 98% or more.

Designed for Compliance and Performance

LuxSci is HIPAA-compliant and HITRUST Certified, ensuring your healthcare communications stay within the bounds of regulatory compliance, keeping patient and company data secure—even as your email sending volume scales into the millions.

Authentication Gets a Major Upgrade

With the latest API release, LuxSci now supports three industry-standard authentication methods—alongside its proprietary LuxSci Secure option.

Let’s break them down:

  1. OAuth 2.0 – The modern standard. Secure, flexible, and ideal for enterprise-scale integrations.
  2. API Key – Simple and efficient. Ideal for server-to-server use when convenience matters most.
  3. Basic Authentication – Straightforward and widely supported. Great for internal systems and quick testing.

Still Available and Highly Recommended: LuxSci Secure Authentication

For those who want the tightest possible control over API sessions—including HMAC signatures and session revocation—LuxSci Secure authentication remains the best option for customers.

Now, let’s take a closer look at how each of the new authentication methods work:

OAuth 2.0: A Standards-Based Approach

OAuth 2.0 gives you a robust framework to handle both account-level and user-level integrations.

Account-Level Authentication (Client Credentials Flow)

Perfect for system-level access—including EHR, CDP or RCM platform integrations where user context isn’t needed.

User-Level Authentication (Resource Owner Password Credentials Flow)

This method allows API access on behalf of individual users—great for patient portals or provider tools.

Security, Flexibility, and Simplicity Combined

Tokens expire after a default of 15 minutes, ensuring sessions aren’t left open indefinitely. Bonus: No message body signing is required, making integration quick and painless.

API Key: Simple and Straightforward

API Key authentication is as easy as including your credentials in a custom header. No session to manage, no extra handshake steps.

How It Works:

You send the HTTP header

X-API-Key: client_id:client_secret

With each request. That’s it.

Ideal Use Cases

  • Server-to-server automation
  • Internal dashboards
  • Data exports from analytics platforms

Basic Authentication: Familiar and Easy

Basic Auth is a time-tested option. Just Base64 encode your API credentials, include them in an HTTP header, and go.

While not as bulletproof as OAuth or LuxSci Secure, API Key and Basic Auth work fine for less sensitive data or development environments.

Easy Access to YAML Specs and SwaggerHub for API Testing

LuxSci has also published detailed YAML API specifications, making it easier for developers and IT teams to access testing interfaces.

You can find more information on our LuxSci API page.

Improved MFA and Easier Access to Testing Tools

As part of today’s announcement, LuxSci also rolled out new, smarter Multi-Factor Authentication (MFA) for enhanced web interface login protection.

LuxSci now ensures that each MFA code can be used only once. So, even if a hacker captures your password and MFA code, they are useless for conducting new login sessions. This update helps protect against automated phishing, spoofing, and fake login pages.

Why Healthcare Leaders Trust LuxSci

Best-In-Class Email Deliverability Rates of 98%

We don’t just send your emails—we get them delivered. Our 98%+ deliverability rate is among the highest in the industry, especially for sensitive healthcare data and communications.

HIPAA Compliance and HITRUST Certification

LuxSci checks every box when it comes to data privacy and protection. Trust your messages are safe, every step of the way.

Secure Communication at Scale

From a few thousand appointment reminders to millions of outbound secure emails—LuxSci scales with your business. Today, we work with some of the largest players in the healthcare industry, including Athenahealth, 1800 Contacts, US Healthconnect, Lucerna Health and Eurofins.

Contact us today with any questions.

FAQs

Q1: What’s the most secure authentication method to use with LuxSci?

A: LuxSci Secure authentication offers the highest security with message signing and session revocation. For more information, visit our API Mechanics page.

Q2: Can I use OAuth 2.0 with user-level access?

A: Yes! Use the Resource Owner Password Credentials Flow (ROPC) to authenticate individual users.

Q3: Where can I find the SwaggerHub API testing tools?

A: LuxSci has published YAML specifications for SwaggerHub. Visit the LuxSci API page for more information.

Q4: How does LuxSci ensure HIPAA compliance in its API?

A: Through encryption, access controls, auditing, and industry certifications like HITRUST.

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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Most Popular LuxSci Blog Posts of 2025

As we close out 2025, healthcare communicators, IT and compliance leaders, and digital marketers face an ever-changing landscape of security threats, regulatory updates, and technology innovations. At LuxSci, we’re committed to helping you with continuous updates and guidance on the future of secure healthcare communications.

In case you missed it, or need a refresh, below are some of our most popular blog posts from 2025. Enjoy!

1. Improve Email Engagement and Marketing Results with Automated Workflows

Automated workflows are transforming how healthcare organizations engage patients and customers — enabling dynamic, event-driven campaigns that easily scale your outreach and keep you HIPAA compliant. In this post, we introduce LuxSci’s Automated Workflows capability for our Secure Marketing healthcare solution. Learn how sequence-based journeys can personalize outreach and optimize engagement with behavior-based triggers that improve campaign performance — without sacrificing data security.

Read the full post: LuxSci Enhances Secure Marketing with Automated Workflows

2. Healthcare Email Threat Readiness Strategies

Email remains a frontline channel for healthcare communications, and a prime target for cyber threats and criminals. This deep-dive into email threat readiness strategies covers essential practices like continuous monitoring, business continuity planning, and workforce training to mitigate email-borne security risks. Whether you’re responsible for clinical systems, marketing, or enterprise IT, this post provides a strategic playbook to strengthen your defenses, while maximizing your results.

Read the full post: Healthcare Email Threat Readiness Strategies

3. HIPAA Compliant Email — 20 Tips in 20 Minutes

For practical guidance you can apply right now, this on-demand webinar distills 20 key tips for HIPAA-compliant email across technical, legal, and operational domains. Whether you’re refining your infrastructure, improving deliverability, or modernizing your data security posture in 2026, this resource is a time-efficient way to elevate your compliance and security.

Read the post and watch the webinar on demand: HIPAA Compliant Email: 20 Tips in 20 Minutes

4. Is SendGrid HIPAA-Compliant? What You Should Know

Choosing the right email provider matters, especially when Protected Health Information (PHI) is at stake. In this post, we examine SendGrid’s capabilities in the context of HIPAA compliance, outline what it takes to send PHI securely, and offer guidance on evaluating third-party services for secure healthcare email and communication needs.

Read the full post: Is SendGrid HIPAA-Compliant?

5. LuxSci Shines in G2 Winter 2026 Reports

Customer feedback matters to LuxSci. In this post, we share the most recent news about LuxSci’s performance in the G2 Winter 2026 Reports, where we earned 20 badges across categories like Email Security, Encryption, Gateway, and HIPAA-Compliant Messaging. These reviews reflect not just product excellence, but trust from real users, which we work hard to build every day!

Read the full post: LuxSci Shines in G2 Winter 2026 Reports

Looking Ahead to 2026

We look forward to providing more information and insights on secure healthcare communications in the coming year, including the latest on HIPAA compliant email, PHI security, healthcare marketing, threat readiness, and personalized engagement. In the meantime, if you’re not already, follow us on LinkedIn below, and we’ll see you here in 2026!

Follow LuxSci on LinkedIn

HIPAA compliant email

LuxSci Welcomes Angel Mazariegos as Head of Finance

LuxSci, a leader in secure healthcare communications and HIPAA compliant email, is pleased to announce the appointment of Angel Marie Mazariegos as the company’s new Head of Finance. With over 25 years of experience in financial management, accounting, and human resources, Angel will play a central role in advancing LuxSci’s operational excellence and supporting the company’s rapid growth in 2026 and beyond.

Angel brings a wealth of expertise to LuxSci, having held senior leadership positions at organizations focused on financial services, language and access services for healthcare, and human resources. In these roles, Angel has led multi-department Finance and HR teams, spearheading critical initiatives, including ERP implementations, streamlined employee onboarding, and financial process optimization.

In her role at LuxSci, Angel will oversee all aspects of the company’s finance operations, including budgeting, forecasting and reporting. Additionally, Angel will manage the company’s HR function, ensuring that LuxSci continues to foster a strong, people-driven culture based on its Secure, Trust, Responsible and Smart company values.

“Angel’s blend of financial and HR leadership makes her an invaluable addition to the LuxSci executive team and a real asset for our people,” said Mark Leonard, CEO of LuxSci. “We look forward to working with Angel to build the high-performing teams that will be critical to our future growth and serving the evolving needs of our customers.”

Angel holds dual MBA degrees in Accounting and Human Resource Management from Cappella University, as well as dual BS degrees in Business Administration (Accounting and CIS Business Systems) from California State University, Los Angeles.

“I am honored to join the LuxSci team at such an exciting time for the company,” said Mazariegos. “I look forward to working with the team and helping build on LuxSci’s reputation for excellence and reliability in secure healthcare communications.”

HIPAA Compliant Email

LuxSci Shines in G2 Winter 2026 Reports, Underscoring Commitment to Product Leadership and Trusted Relationships

We’re pleased to announce that LuxSci has been recognized for excellence and leadership for HIPAA compliant email and messaging in the just-released G2 Winter 2026 Reports!

Based on verified customer reviews, LuxSci earned 20 G2 badges as part of the most recent G2 reports, including top honors such as Grid Leader, Highest User Adoption, Best Support, and Best Estimated ROI.

This recognition further validates what we’ve always believed: our customers don’t just choose a great product — they choose a great partner. At LuxSci, we build long-term, trusted relationships with our customers, anchored in product reliability, industry-leading email deliverability and performance, and the best customer support in the business.

Why G2 Matters

G2 is a globally trusted peer‑review platform that aggregates verified user feedback and real‑world usage data to rank software and service providers. G2’s seasonal reports like the Winter 2026 editions shine a spotlight on latest tools and vendors that deliver consistent value and satisfaction to real customers.

Earning 20 badges this quarter signals a strong vote of confidence from our customers and community, helping affirm that LuxSci is a leading, highly adopted secure email solutions provider.

What We Earned in Winter 2026

Among the 20 badges awarded to LuxSci across Email Security, Email Encryption, Email Gateway and HIPAA Compliant Messaging are:

  • Grid Leader
  • Highest User
  • Best Support
  • Best Estimated ROI

This broad range of accolades spanning leadership, adoption, support and return on investment underscores the reliability of our solutions and the trust our customers place in us.

Awards Reflect Our Commitment to Customer Success

Reliable. Winning Grid Leader and Highest User Adoption demonstrates that thousands of users are depending on LuxSci, securely delivering emails to today’s most popular platforms, including Gmail, Apple Mail, Yahoo Mail and AOL, to name a few.

Proven. With Best Estimated ROI, customers are saying that LuxSci delivers tangible results, whether in secure email delivery, regulatory compliance, or operational efficiency.

Long‑Term Trust. Best Support is perhaps the most telling because for us, success isn’t just about features, it’s about being there for our customers every step of the way.

Thank you to all of our customers. We remain committed to your success — today and in the future.

Want to learn more about LuxSci? Reach out and connect with us today!

HIPAA Compliant Email

Here’s What HIPAA Compliant Email Salespeople Don’t Tell You

With email security threats continuously increasing in number and sophistication, as well as healthcare companies requiring secure solutions to communicate with patients and customers, the need for HIPAA compliant email solutions has never been greater. 

However, when looking for the right secure email services provider (ESP), healthcare organizations run the risk of making inaccurate assumptions about HIPAA compliance via what they learn from prospective vendors. This is due to the tendency for sales materials for HIPAA compliant email services, such as web pages or promotional videos, to highlight the strengths of the platform, while downplaying a healthcare company’s own role and responsibilities in securing protected health information (PHI). 

With this firmly in mind, here are six key things that HIPAA compliant email salespeople don’t tell you about securing communications and achieving compliance. 

1. The Shared Responsibility Model

Firstly, HIPAA compliant email salespeople are unlikely to emphasize the idea of shared responsibility when it comes to data security. This is the idea that two entities that share access to data, e.g., a healthcare company and their ESP, have a shared responsibility to preserve the privacy of that data.

In reality, most sales pitches explain the benefits and features of the solution, as opposed to stressing that compliance truly depends on how it’s configured and used. Now, that’s not to say that a salesperson is trying to hide this fact, as they’ll probably allude to training and configuration requirements. But, they’ll be less likely to make light of this and, more broadly, how shared responsibility factors into compliance.

2. A BAA Doesn’t Automatically Make You HIPAA Compliant

A business associate agreement (BAA) is essential for HIPAA compliance, but signing one doesn’t automatically make you compliant. Your organization still has to use the email delivery solution in a way that aligns with HIPAA regulations, which involves proper configuration, training, oversight, and reporting.

The misconception among some healthcare companies that a BAA equals compliance may be perpetuated by the term “HIPAA compliant email services provider”.  This could give some the impression that the vendor is fully HIPAA compliant and, subsequently, in signing a BAA with them, the use of their services is fully compliant.

But, it’s not that simple.

Simply signing a BAA obscures the real effort involved in achieving compliance. There’s no official HIPAA seal of approval, and HIPAA compliant means that the solution is capable of being configured for compliant use, which is a shared responsibility. HIPAA compliant email salespeople are unlikely to volunteer this nuance, especially if their email solution requires considerable configuration or has a steep learning curve to use it securely.

3. Not All Solutions or Features Are HIPAA Compliant

Another key detail often underplayed by vendor sales materials of HIPAA compliant email solutions is that some of their features, or even entire services, aren’t covered by their BAAs, so they can’t be used to handle PHI. 

These tools are referred to as “out of scope” and may include tools capable of integration with the email service, such as analytics or AI capabilities, but they don’t possess the cyber risk mitigation measures that align with HIPAA regulations. Perhaps the main reason for this is that many mass-market email delivery solutions, such as Microsoft 365 or Google Workspace, are designed for companies across all sectors. Consequently, while they can be HIPAA compliant, they weren’t developed from the ground up with the stringent regulatory demands of the healthcare industry in mind.

4. Solutions Are Not HIPAA Compliant “Out of The Box”

HIPAA compliant email salespeople may suggest that compliance is built into their platform, and healthcare organizations can use it to transmit PHI straight away, but this isn’t the case. Healthcare companies must still configure the email platform accordingly, as per the security requirements determined by their risk assessment, e.g., applying the right level of encryption. 

Also, if the email service is difficult to configure for HIPAA compliance or if the vendor’s configuration documentation lacks detail, that presents another obstacle to its compliant use. 

In addition to configuration, healthcare companies also have to implement access management controls and policies, establishing the extent to which each employee can access PHI in respect to their roles and responsibilities. From there, they will have to train their workforce on how to use the HIPAA compliant email solution securely, which may include those tools that fall outside the scope of your BAA with the vendor, and must not be used for the disclosure of patient data.

5. Essential Security Features Cost Extra 

Another more egregious version of an ESP not being HIPAA compliant out of the box is having features required for compliance, such as encryption or audit logging, as premium add-ons and not included in the solution’s base pricing. 

A vendor’s sales materials for its email service might list the necessary safeguards, but underemphasize the fact that only some versions of their platform are truly HIPAA compliant. Consequently, healthcare companies must confirm that the features required for HIPAA compliant email communications are included in the plan they’re purchasing. 

6. The Importance of Staff Training on HIPAA

HIPAA compliant email salespeople are often remiss in stressing the need for additional workforce training alongside the deployment of their platform. A healthcare company’s employees must be trained on how to securely use the email client, how to ID potential threats, and best practices for including PHI in email communications, as well as the regulations tied to HIPAA and data security.

This includes educating users on the differences between regular and secure email, and what they must do to safeguard patient and customer data. Fortunately, secure email solutions from providers like LuxSci enable automated email encryption, and users do not need to take any additional actions to ensure encryption when sending emails.

Additionally, in some cases, employees will need to be trained on which tools or features do not align with HIPAA guidelines and must not be used to process PHI.

LuxSci: Fully HIPAA Compliant – No Hidden Surprises

LuxSci specializes in solutions that enable companies to carry out secure, personalized, and HIPAA compliant email communications and campaigns. With more than 20 years of experience and billions of emails sent for companies including Athenahealth, 1 800 Contacts, Lucerna Health and Rotech Healthcare, we’ve acquired invaluable experience in helping healthcare organizations enhance their engagement efforts, all while adhering to HIPAA regulations. In addition, LuxSci’s secure high-volume and marketing email solutions feature HIPAA-required security controls, including encryption, audit logging, and multi-factor authentication (MFA) by default, not as optional, hidden extras.

Contact us today to learn more about how LuxSci’s secure email solutions can help increase the ROI on your patient and customer outreach efforts, while safeguarding PHI in line with HIPAA requirements.

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HIPAA Compliant Marketing

What Is HIPAA Compliant Marketing for Healthcare?

HIPAA compliant marketing for healthcare refers to promotional communications that follow HIPAA Privacy Rule requirements when using or disclosing protected health information (PHI). Healthcare organizations can conduct marketing activities while protecting patient privacy by obtaining proper authorizations, implementing security measures, and ensuring all marketing communications meet regulatory standards for PHI protection. Healthcare marketing has changed dramatically with digital communication channels, yet patient privacy remains paramount. Organizations must balance effective marketing strategies with strict compliance requirements to avoid violations that can result in hefty penalties and damaged reputations.

Understanding Marketing Under HIPAA Regulations

HIPAA defines marketing as communications that encourage recipients to purchase or use products or services, with certain exceptions for treatment communications and health care operations. The regulation distinguishes between communications that require patient authorization and those that fall under permitted uses without authorization. Face-to-face marketing communications between healthcare providers and patients do not require written authorization under HIPAA rules. Similarly, promotional gifts of nominal value given during these encounters are permitted without further consent. Most other marketing activities involving PHI require explicit patient authorization before implementation.

Healthcare organizations must understand when their communications cross from permissible patient care activities into regulated marketing territory. Educational materials about treatment options generally qualify as health care operations, while promotional emails about cosmetic procedures usually require marketing authorizations.

Authorization Requirements for Healthcare Marketing

Written authorization forms the foundation of HIPAA compliant marketing for healthcare organizations. Patients must provide explicit consent before their PHI can be used for marketing purposes, and these authorizations must meet specific regulatory requirements to remain valid. Authorization forms must clearly describe what PHI will be used or disclosed, the purpose of the marketing activity, and who will receive the information. The form must also explain that patients can revoke authorization at any time and that refusal to authorize marketing communications will not affect their treatment.

Healthcare organizations receiving financial remuneration for marketing activities face stricter authorization requirements. When third parties pay for marketing communications, authorization forms must disclose these financial relationships and explain how patient information will be shared with outside entities.

Permitted Marketing Activities Without Authorization

Certain healthcare communications that might appear to be marketing can proceed without patient authorization under HIPAA. These include communications about the covered entity’s own health-related products or services, or communications for treatment, case management, care coordination, or preventive health programs. For example, hospitals may send newsletters about their own diabetes management programs or wellness initiatives without obtaining individual authorization. However, if the communication involves financial payment from a third party to promote their products or services, patient authorization is required.

Case management and care coordination communications also receive authorization exemptions when they promote health or wellness activities. Healthcare organizations can recommend disease management programs, wellness initiatives, or preventive care services without obtaining separate marketing authorizations.

Technology Solutions for Compliant Email Marketing

Email marketing platforms designed for healthcare must incorporate security features that protect PHI during transmission and storage. These systems encrypt communications, maintain audit logs, and provide controls that help organizations manage patient authorizations and preferences. Segmentation capabilities allow healthcare marketers to target specific patient populations while maintaining privacy protections. Organizations can send diabetes education materials to patients with relevant diagnoses without exposing individual health conditions to unauthorized recipients.

Automated opt-out mechanisms help healthcare organizations respect patient preferences and maintain compliance with both HIPAA and CAN-SPAM requirements. These systems track authorization status and automatically exclude patients who revoke consent from future marketing communications.

Managing Patient Data in Marketing Campaigns

HIPAA compliant marketing for healthcare requires careful handling of patient data throughout campaign development and execution. Organizations must implement policies that limit PHI access to authorized personnel and document all data usage for compliance auditing.Marketing teams need training on HIPAA requirements and access controls that prevent unauthorized PHI disclosure. Role-based permissions ensure that only personnel with legitimate business needs can access patient information for marketing purposes.

Data retention policies must align with HIPAA requirements and organizational needs. Healthcare marketers should establish schedules for deleting PHI when it is no longer needed for marketing activities and maintain documentation of data destruction for compliance records.

Compliance Auditing and Risk Management

Regular compliance audits help healthcare organizations identify potential vulnerabilities in their marketing practices and address issues before they result in violations. These assessments should review authorization procedures, data handling practices, and technology security measures. Risk assessment processes must evaluate both internal marketing activities and third-party vendor relationships. Business associate agreements become necessary when outside marketing companies access PHI, and these contracts must include appropriate safeguards and liability provisions.

Documentation requirements include maintaining records diligently to demonstrate commitment to HIPAA compliant marketing for healthcare activities and their ability to respond appropriately to potential breaches or violations.

Is iCloud Email HIPAA Compliant?

Is iCloud Email HIPAA Compliant?

An iCloud email is not HIPAA compliant without added security measures, and Apple does not offer Business Associate Agreements for standard iCloud services. Healthcare organizations cannot legally use iCloud email to transmit protected health information as it lacks required encryption, access controls, and audit capabilities. Medical providers seeking HIPAA compliant communication must select email platforms designed for healthcare data protection instead of consumer-oriented services like iCloud.

Apple’s Position on HIPAA Compliant Services

Apple does not position iCloud email as a HIPAA compliant service for healthcare organizations. The company does not offer Business Associate Agreements for standard iCloud accounts, which healthcare providers must obtain before using any service for protected health information. Apple’s terms of service and privacy policies make no mention of healthcare compliance or regulatory requirements. While Apple emphasizes privacy in its marketing, these protections focus on consumer privacy rather than healthcare regulatory compliance. The company’s enterprise offerings like Apple Business Manager address some business security needs but lack the documentation and features required for HIPAA compliance. Without a BAA and proper security features, using iCloud email for patient information violates HIPAA regulations regardless of any additional measures implemented.

Missing Security Features for HIPAA Compliant Status

iCloud email lacks several features necessary for HIPAA compliant communications. The service provides basic encryption during transmission but does not offer end-to-end encryption for email content. User authentication relies primarily on passwords without required multi-factor verification. Access controls lack the granularity needed for healthcare environments where different staff members require varying levels of information access. Audit logging capabilities fall short of HIPAA requirements for tracking who accessed what information and when. Data loss prevention tools to identify and protect messages containing health information are absent. Archive and retention features do not meet healthcare regulatory requirements. These limitations make iCloud email unsuitable for handling protected health information in medical settings.

Alternative Email Solutions with HIPAA Compliant Capabilities

Healthcare organizations requiring HIPAA compliant email must select appropriately designed platforms instead of iCloud. Microsoft 365 and Google Workspace offer email services with Business Associate Agreements and healthcare-focused security features when properly configured. Dedicated secure email providers like Paubox, Virtru, and Zix specialize in HIPAA compliant communications with built-in encryption and security controls. These alternatives include features like message encryption, detailed access logging, and security controls designed for healthcare environments. Many provide seamless encryption that works automatically without requiring recipients to create accounts or remember passwords. Organizations selecting these platforms gain both regulatory compliance and practical security benefits unavailable with consumer email services.

Risk Factors in Consumer Email Platforms

Using consumer email services like iCloud creates substantial risks for healthcare organizations. Without proper security controls, patient information may be exposed to unauthorized access during transmission or storage. The lack of detailed audit logs makes it impossible to track potential breaches or inappropriate access. Limited administrative controls prevent organizations from enforcing consistent security policies across all users. Consumer terms of service often allow the provider to analyze email content for advertising purposes, creating additional compliance concerns. Organizations face potential financial penalties from regulatory authorities if protected health information is handled through non-compliant channels. These risks extend to both direct financial penalties and reputation damage from potential breaches or compliance failures.

HIPAA Compliant Communication Strategies

Healthcare organizations develop comprehensive communication strategies that account for email platform limitations. Many implement a layered approach using HIPAA compliant email platforms for healthcare communications while maintaining separate personal accounts for non-patient information. Secure messaging through patient portals often provides a more controlled alternative to email for patient communications. Staff training focuses on which communication channels are appropriate for different types of information. Clear policies establish what information can never be transmitted via email regardless of the platform. Organizations implement technical controls to prevent accidental transmission of protected information through unauthorized channels, which helps maintain compliant communications while working within the constraints of available technology.

Evaluating Email Services for Healthcare Use

When evaluating potential email services, healthcare organizations should apply comprehensive assessment criteria. Availability of Business Associate Agreements forms a non-negotiable starting point for any healthcare email solution. Security features must align with HIPAA Security Rule requirements for access controls, encryption, and audit logging. Administrative tools should enable consistent policy enforcement across all users. Integration capabilities with existing systems affect both security and workflow efficiency. Mobile access security deserves particular attention as healthcare staff increasingly use smartphones and tablets. Support for compliance documentation helps organizations demonstrate due diligence during regulatory reviews. A thorough evaluation process helps healthcare entities select email platforms that balance security, usability, and regulatory compliance.

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.

MailHippo HIPAA compliant

Is Mailhippo HIPAA Compliant?

MailHippo is considered HIPAA compliant when healthcare providers use a paid plan or 30-day free trial, sign a BAA, and enable the required security settings. As a result, MailHippo HIPAA compliant usage is only possible when all of these conditions are met. The cloud-based encrypted email service provides secure messaging for healthcare providers handling PHI, though considerations should be made in areas such as administrative controls, audit logging, and integration options. Healthcare providers considering MailHippo for patient communications should examine its security capabilities alongside potential workflow capabilities before making a decision on implementation.

Email Security Requirements Under HIPAA

Healthcare email systems handling PHI must satisfy federal privacy regulations through encryption, access controls, and audit capabilities. Data encryption during transmission prevents unauthorized interception of patient information traveling across public networks. Storage encryption protects archived messages containing health data while they reside on email servers. Access restrictions ensure that only authorized personnel can view patient communications relevant to their job responsibilities.

Audit controls track who accesses email systems, what messages they view, and when these activities occur. Integrity safeguards prevent unauthorized modification or deletion of patient communications that might compromise medical records or compliance evidence. Business associate agreements create legal frameworks defining how email service providers protect patient information and respond when security incidents occur.

Consumer email platforms lack typically these protections in their standard configurations, creating compliance vulnerabilities when healthcare providers use them for patient communications. For example, Gmail, Outlook, and Yahoo Mail were designed for general business use rather than regulated healthcare environments. To summarize, healthcare organizations benefit from email services that implement HIPAA security requirements by design rather than requiring complex manual configurations that might be implemented incorrectly.

The MailHippo Service Model

MailHippo positions itself as a straightforward encrypted email solution for professionals in regulated industries including healthcare, legal, and financial services. The cloud-based platform eliminates time-consuming software installation requirements, allowing users to send secure messages through web browsers without downloading applications. This simplicity appeals to solo practitioners and small medical practices that lack dedicated IT support staff.

Independent healthcare providers, small medical offices, mental health professionals, and insurance consultants represent the service’s primary user base. These smaller operations value ease of use over advanced features, preferring solutions that deliver basic security without complicated setup and user procedures. It’s important to note that MailHippo delivers encrypted messages to recipients through secure web portals rather than standard email clients, creating protected communication channels that don’t require recipients to install special software.

The MailHippo service model focuses on one-to-one secure messaging rather than bulk communications or automated workflows. Healthcare providers send individual messages to patients or colleagues through encrypted channels that protect information during transmission and storage. Recipients receive notifications that secure messages await them in web portals where they can view content after authentication. This approach works for routine patient communications but may not support more complex healthcare communication needs. For larger organizations that prefer users staying within a dedicated email application or need high volume sending, several HIPAA compliant alternatives exist, including LuxSci.

MailHippo’s HIPAA Compliant Encryption and Security Features

MailHippo features transport encryption using TLS protocols, protecting messages during transmission between email servers, and preventing interception while communications travel across networks. AES-256 encryption secures stored messages, ensuring that archived communications remain protected if servers are compromised. The combination of transmission and storage encryption addresses HIPAA requirements for protecting ePHI throughout its lifecycle.

Recipient access through secure web portals eliminates the vulnerabilities associated with delivering encrypted content through standard email clients. Patients and healthcare providers authenticate themselves before viewing message content, creating additional security layers beyond basic encryption. Using a portal-based approach reduces exposure through compromised email accounts or insecure devices that might not maintain proper security configurations.

Authentication requirements mandate that users log in before sending or receiving messages, preventing unauthorized access to patient communications. MailHippo supports two-factor authentication (2FA), but the company’s documentation doesn’t clearly spell out which MFA methods are available or whether organizations can enforce MFA for all users. Healthcare entities that require strong authentication factors, such as hardware tokens or biometrics should confirm these details directly with the vendor.

Delivery and read receipts provide tracking information about message transmission and recipient access. These receipts confirm that messages reached intended recipients and document when recipients viewed content. The tracking capabilities, while useful for confirming communication delivery, lack the detailed audit logging that larger healthcare organizations likely need for compliance and security investigations.

Third-Party Email Provider Contract Requirements

Federal regulations classify email service providers handling PHI as business associates subject to HIPAA compliance obligations. Healthcare entities must execute written agreements with these providers defining responsibilities for protecting patient data and responding to security incidents. Without signed BAAs, email communications containing patient information violate HIPAA regardless of encryption or other security measures implemented.

MailHippo HIPAA compliant email requires executed business associate agreements between the service provider and healthcare organizations. MailHippo indicates that it provides a HIPAA Business Associate Agreement (BAA) as part of its service offerings; organizations should confirm BAA availability and execution terms before transmitting protected health information.

Business associate agreements specify encryption standards, incident notification timelines, and procedures for handling patient data when service relationships terminate. These contracts allocate liability between healthcare organizations and email providers, protecting organizations from financial exposure when security breaches that result from provider negligence. Agreement terms should address data retention requirements, geographic restrictions on information storage, and secure deletion methods when retention periods expire.

Healthcare organizations implementing MailHippo HIPAA compliant solutions must verify that executed agreements cover all anticipated uses of the platform. Agreements should explicitly permit transmission and storage of PHI while defining what security measures the provider maintains. Without proper agreements in place, healthcare organizations assume full liability for any security incidents involving patient communications transmitted through the platform.

Administrative Control & Potential Limitations

User management capabilities determine how healthcare organizations control access to email systems and enforce security policies across multiple staff members. Role-based permissions enable organizations to grant different access levels to physicians, nurses, administrative staff, and billing personnel based on their job functions. Centralized administration consoles allow IT staff or practice managers to oversee all user accounts, modify permissions, and review security concerns from a single interface.

MailHippo HIPAA compliant implementations may lack the administrative tools that larger healthcare organizations require, including managing large numbers of users. The platform does not provide role-based permission structures that restrict access based on job functions or patient care relationships. Centralized dashboards for overseeing user activities across organizations are absent, making it more difficult for administrators to monitor security compliance or identify potential policy violations.

Integration & Workflow Considerations

Healthcare communication workflows rely heavily on integration between email systems, electronic health records, practice management software, and patient engagement platforms. Automated workflows reduce administrative burden while ensuring consistent security practices across all patient communications. API connectivity enables different healthcare applications to exchange information seamlessly without requiring manual data transfer, which increases the risk of human error.

While MailHippo publishes an email API, it does not offer ‘out-of-the-box’ integration capabilities with electronic health record systems or practice management platforms. As a result, healthcare organizations cannot automatically populate patient communications with appointment information, test results, or treatment updates from their clinical systems without technical integration work.

Marketing automation and bulk communication capabilities do not exist within the MailHippo service model, which is designed for individual message transmission. Healthcare organizations conducting patient outreach, appointment reminders, or health education campaigns need alternative solutions for these activities. The focus on one-to-one messaging limits the platform’s utility for organizations with diverse communication requirements high-volume sending needs beyond routine secure messaging.

Appropriate Use Cases and Organizational Fit

Solo practitioners and small medical practices with straightforward communication needs represent ideal candidates for MailHippo HIPAA compliant email. These organizations likely value simplicity over advanced features, preferring solutions that deliver basic security without requiring technical expertise to configure and maintain. Single physicians or therapists communicating with individual patients benefit from the portal-based secure messaging that protects patient information without complicated setup procedures.

Healthcare providers requiring only basic one-to-one secure messaging without forms, complex integrations, or user management can operate effectively within the platform’s capabilities. For example. mental health professionals conducting therapy practices, independent consultants providing healthcare advice, and small specialty clinics with limited communication volumes fit the service model well.

Larger healthcare organizations, multi-location practices, and operations with complex communication requirements and workflows will find the platform’s limitations constraining. Organizations needing multiple user tiers, departmental segregation, or centralized administration lack the tools necessary for managing these structures. Healthcare systems requiring electronic health record integration, automated workflows, or bulk communication capabilities often need more comprehensive email security platforms than MailHippo HIPAA compliant setups can provide.

Implementation and Compliance Verification

Now, it’s important to note that healthcare organizations implementing secure email must verify that all HIPAA requirements are satisfied before transmitting PHI. Proper configuration helps ensure that encryption activates properly, access controls function as intended, and audit logging captures necessary security events. In addition, business associate agreement execution creates legal frameworks before any patient data flows through email systems.

As with any ESP for healthcare, organizations adopting MailHippo HIPAA compliant email should document their compliance measures, including executed agreements, security configurations, and staff training records. Documentation demonstrates due diligence during regulatory audits while providing evidence that organizations took appropriate steps to protect patient information. Policy development establishes guidelines about what information can be transmitted via email and what alternative communication methods should be used for particularly sensitive content.

Staff training prepares healthcare workers to use secure email systems properly while maintaining patient privacy throughout communications. Training should cover portal access procedures, recipient verification methods, and appropriate content guidelines that prevent inadvertent disclosures. Documented training records prove that organizations educated staff about security requirements before granting email system access.

Finally, periodic security assessments verify that email systems continue meeting compliance requirements as technology and threats evolve. Assessment schedules should include configuration reviews, access control testing, and verification that business associate agreements remain current. Healthcare organizations relying on MailHippo HIPAA compliant workflows must treat email security as an active process rather than a one-time setup, maintaining vigilance about vulnerabilities and regulatory changes.

If you’d like to learn more, reach out to us today!