How to Avoid AI-Based Email Security Threats

Industry News
Pete Wermter
May 20, 2025

Artificial intelligence (AI) has been the hottest topic in technology for the past few years now, with a focus on how it’s transforming business and the way we work. While we’d seen glimpses of AI’s capabilities before, the release of ChatGPT (containing OpenAI’s groundbreaking GPT-3.5 AI model) put the technology’s limitless potential on full display. Soon, stakeholders in every industry looked to find ways to integrate AI into their organizations, so they could harness its huge productivity and efficiency benefits.

The problem? Hackers and bad actors are using AI too, and it’s only strengthening their ability to carry out data breaches, including AI-based email security threats.

While AI brings considerable advantages to all types of businesses, unfortunately, its vast capabilities can be used for malicious purposes too. With their unparalleled ability to process data and generate content, cybercriminals can use a variety of AI tools to make their attacks more potent, increasing their potential to get past even the most secure safeguards.

With all this in mind, this post discusses how AI is helping cyber criminals massively scale their efforts and carry out more sophisticated, widespread attacks. We’ll explore how malicious actors are harnessing AI tools to make AI-based email cyber attacks more personalized, potent, and harmful, and cover three of the most common threats to email security that are being made significantly more dangerous with AI. This includes phishing, business email compromise (BEC) attacks, and malware. We’ll also offer strategic insights on how healthcare organizations can best mitigate AI-enhanced email threats and continue to safeguard the electronic protected health information (ePHI) under their care.

How Does AI Increase Threats To Email Security?

AI’s effect on email security threats warrants particular concern because it enhances them in three ways: by making email-focused attacks more scalable, sophisticated, and difficult to detect.

Scalability

First and foremost, AI tools allow cybercriminals to scale effortlessly, enabling them to achieve exponentially more in less time, with few additional resources, if any at all.

The most obvious example of the scalable capabilities of generative AI involves systems that can create new content from simple instructions, or prompts. In particular, large language models (LLMs), such as those found in widely used AI applications like ChatGPT, allow malicious actors to rapidly generate phishing email templates and similar content that can be used in social engineering attacks, with a level of accuracy in writing and grammar not seen before. Now, work that previously would take email cybercriminals hours can be achieved in mere seconds, with the ability to make near-instant improvements and produce countless variations.

Similarly, should a social engineering campaign yield results, i.e., getting a potential victim to engage, malicious actors can automate the interaction through AI-powered chatbots, which are capable of extended conversations via email. This increases the risk of a cybercriminal successfully fooling an employee at a healthcare organization to grant access to sensitive patient data or reveal their login credentials so they can breach their company’s email system.

Additionally, AI allows cybercriminals to scale their efforts by automating aspects of their actions, and gathering information about a victim, i.e., a healthcare organization before launching an attack. AI tools also can scan email systems, metadata, and publicly available information on the internet to identify vulnerable targets, and their respective security flaws. They can then use this information to pinpoint and prioritize high-value victims for future cyber attacks.

Sophistication

In addition to facilitating larger and more frequent cyber attacks, AI systems allow malicious actors to make them more convincing. As mentioned above, generative AI allows cybercriminals to create content quickly, and craft higher-quality content than they’d be capable of through their own manual efforts.

Again, using phishing as an example, AI can refine phishing emails by eliminating grammatical errors and successfully mimicking distinct communication styles to make them increasingly indistinguishable from legitimate emails. Cybercriminals are also using AI to make their fraudulent communications more context-aware, referencing recent conversations or company events and incorporating data from a variety of sources, such as social media, to increase their perceived legitimacy.

In the case of another common email attack vector, malware, AI can be used to create constantly evolving malware that can be attached to emails. This creates distinct versions of malware that are more difficult for anti-malware tools to stop.

More Difficult to Detect

This brings us to the third way in which AI tools enhance email threats: by making them harder to detect and helping them evade traditional security measures.

AI-powered email threats can adapt to a healthcare organization’s cybersecurity measures, observing how its defenses, such as spam filters, flag and block malicious activity before automatically adjusting its behavior until it successfully bypasses them.

After breaching a healthcare organization’s network, AI offers cybercriminals several new and enhanced capabilities that help them expedite the achievement of their malicious objectives, while making detection more difficult.

These include:

Content Scanning: AI tools can scan emails, both incoming and outgoing, in real-time to identify patterns pertaining to sensitive data. This allows malicious actors to identify target data in less time, making them more efficient and capable of extracting greater amounts of PHI.
Context-Aware Data Extraction: similarly, AI can differentiate between regular text and sensitive data by recognizing specific formats (e.g., medical record numbers, insurance details, social security numbers, etc.)
Stealthy Data Exfiltration: analyzing and extracting PHI, login credentials, and other sensitive data from emails, while blending into normal network traffic.
Distributed Exfiltration: instead of transferring large amounts of data at once, which is likely to trigger cyber defenses, hackers can use AI systems that slowly exfiltrate PHI in smaller payloads over time, better blending into regular network activity.

AI and Phishing

Phishing attacks involve malicious actors impersonating legitimate companies, or employees of a company, to trick victims into revealing sensitive patient data. Typical phishing attack campaigns rely on volume and trial and error. The more messages sent out by cybercriminals, the greater the chance of snaring a victim. Unfortunately, AI applications allow malicious actors to raise the efficacy of their phishing attacks in several ways.

First, AI allows scammers to craft higher-quality messaging. One of the limitations of phishing emails for healthcare companies is that they’re often easy to identify, since they are replete with mis-spelled words, poor grammar, and bad formatting. AI allows malicious actors to overcome these inadequacies and create more convincing messages that are more likely to fool healthcare employees.

On a similar note, because healthcare is a critical industry, it’s consistently under threat from cybercriminals, which are also known as advanced persistent threats (APTs) or even cyber terrorists. By definition, such malicious actors often reside outside the US and English isn’t their first language.

While, in the past, this may have been obvious, AI now provides machine translation capabilities, allowing cybercriminals to write messages in their native language, translating them to English, and refining them accordingly. Consequently, scammers can craft emails with fewer tell-tale signs that healthcare organizations can train their employees to recognize.

Additionally, as alluded to earlier, AI models can produce countless variations of phishing messages, significantly streamlining the trial-and-error aspect of phishing campaigns and allowing scammers to discover which messaging works best in far less time.

Lastly, as well as enhancing the efficacy of conventional phishing attacks, AI helps improve spear phishing campaigns, a type of fraudulent email that targets a particular organization or employee who works there, as opposed to the indiscriminate, “scatter” approach of regular phishing.

While, traditionally, spear phishing requires a lot of research, AI can scrape data from a variety of sources, such as social media, forums, and other web pages, to automate a lot of this manual effort. This then allows cybercriminals to carry out the reconnaissance required for successful attacks faster and more effectively, increasing their frequency and, subsequently, their rate of success.

AI and Business Email Compromise (BEC) Attacks

A business email compromise (BEC) is a type of targeted email attack that involves cybercriminals gaining access to or spoofing (i.e., copying) a legitimate email account to manipulate those who trust its owner into sharing sensitive data or executing fraudulent transactions. BEC attacks can be highly effective and, therefore, damaging to healthcare companies, but they typically require extensive research on the target organization to be carried out successfully. However, as with spear phishing, AI tools can drastically reduce the time it takes to identify potential targets and pinpoint possible attack vectors.

For a start, cybercriminals can use AI to undertake reconnaissance tasks in a fraction of the time required previously. This includes identifying target companies and employees whose email addresses they’d like to compromise, generating lists of vendors that do business with said organization, and even researching specific individuals who are likely to interact with the target.

Once a target is acquired, malicious actors can use AI tools in a number of terrifying ways to create more convincing messaging. By analyzing existing emails, AI solutions can quickly mimic the writing style of the owner of the compromised account, giving them a better chance of fooling the people they interact with.

By the same token, they can use information gleaned from past emails to better contextualize fraudulent messages, i.e., adding particular information to make subsequent requests more plausible. For example, requesting data or login credentials in relation to a new project or recently launched initiative.

Taking this a step further, cybercriminals could supplement a BEC attack with audio or video deepfakes created by AI to further convince victims of their legitimacy. Scammers can use audio deepfakes to leave voicemails or, if being especially brazen, conduct entire phone conversations to make their identity theft especially compelling.

Meanwhile, scammers can create video deepfakes that relay special instructions, such as transferring money, and attach them to emails. Believing the request came from a legitimate source, there’s a chance employees will comply with the request, boosting the efficacy of the BEC attack in the process. Furthermore, the less familiar an employee is with attacks of this kind, the more likely they are to fall victim to them.

In short, AI models make it easier to carry out BEC attacks, which makes it all the more likely for cybercriminals to attempt them.

AI and Malware

Malware refers to any kind of malicious software (hence, “mal(icous) (soft)ware”), such as viruses, Trojan horses, spyware, and ransomware, all of which can be enhanced by AI in several ways.

Most notable is AI’s effect on polymorphic malware, which has the ability to constantly evolve to bypass email security measures, making malicious attachments harder to detect. Malware, as with any piece of software, carries a unique digital signature that can be used to identify it and confirm its legitimacy. Anti-malware solutions traditionally use these digital signatures to flag instances of malware, but the signature of polymorphic malware changes as it evolves, allowing it to slip past email security measures.

While polymorphic malware isn’t new, and previously relied on pre-programmed techniques such as encryption and code obfuscation, AI technology has made it far more sophisticated and difficult to detect. Now, AI-powered polymorphic malware can evolve in real-time, adapting in response to the defense measures it encounters.

AI can also be used to discover Zero Day exploits, i.e., previously unknown security flaws, within email and network systems in less time. Malicious actors can employ AI-driven scanning tools to uncover vulnerabilities unknown to the software vendor at the time of its release and exploit them before they have the opportunity to release a patch.

How To Mitigate AI-Based Email Security Threats

While AI can be used to increase the effectiveness of email attacks, fortunately, the fundamentals of mitigating email threats remains the same; organizations must be more vigilant and diligent in following email security best practices and staying on top of the latest threats and tools used by cybercriminals.

Let’s explore some of the key strategies for best mitigating AI-based email threats and better safeguarding the ePHI within your organization.

Educate Your Employees: ensure your employees are aware of how AI can enhance existing email threats. More importantly, demonstrate what this looks like in a real-world setting, showing examples of AI-generated phishing and BEC emails compared to traditional messages, what a convincing deepfake looks and sounds like, instances of polymorphic malware, and so on.

Additionally, conduct regular simulations, involving AI-enhanced phishing, BEC attacks, etc., as part of your employees’ cyber threat awareness training. This gives them first-hand experience in identifying AI-driven email threats, so they’re not caught off-guard when they encounter them in real life. You can schedule these simulations to occur every few months, so your organization remains up-to-date on the latest email threat intelligence.
Enforce Strong Email Authentication Protocols: ensure that all incoming emails are authenticated using the following:
- Sender Policy Framework (SPF): verifies that emails are sent from a domain’s authorized servers, helping to prevent email spoofing.
- DomainKeys Identified Mail (DKIM): preserves the integrity of the message’s contents by adding a cryptographic signature, mitigating compromise during transit, e.g., stealthy or distributed data exfiltration.
- Domain-based Message Authentication, Reporting & Conformance (DMARC): enforces email authentication policies, helping organizations detect and block unauthorized emails that fail SPF or DKIM checks.

By verifying sender legitimacy, preventing email spoofing, and blocking fraudulent messages, these authentication protocols are key defenses against AI-enhanced phishing and business email compromise (BEC) attacks.

Access Control: while AI increases the risk of PHI exposure and login credential compromise, the level of access that a compromised or negligent employee has to patient data is another problem entirely. Subsequently, data breaches can be mitigated by ensuring that employees only have access to the minimum amount of data required for their job roles, i.e. role-based access control (RBAC). This reduces the potential impact of a given data breach, as it lowers the chances that a malicious actor can extract large amounts of data from a sole employee.
Implement Multi-Factor Authentication (MFA): MFA provides an extra layer of protection by requiring users to verify their identity in multiple ways. So, even in the event that a cybercriminal gets ahold of an employee’s login credentials, they still won’t have sufficient means to prove they are who they claim to be.
Establish Incident Response and Recovery Plans: unfortunately, by making them more scalable, sophisticated, and harder to detect, AI increases the inevitability of security breaches. This makes it more crucial than ever to develop and maintain a comprehensive incident response plan that includes strategies for responding to AI-enhanced email security threats.

By establishing clear protocols regarding detection, reporting, containment, and recovery, your organization can effectively mitigate, or at least minimize, the impact of email-based cyber attacks enhanced by AI. Your incident response plan should be a key aspect of your employee cyber awareness training, so your workforce knows what to do in the event of a security incident.

Get Your Copy of LuxSci’s 2025 Email Cyber Threat Readiness Report

To learn more about healthcare’s ever-evolving email threat landscape and how to best ensure the security and privacy of your sensitive data, download your copy of LuxSci’s 2025 Email Cyber Threat Readiness Report.

You’ll discover:

The latest threats to email security in 2025, including AI-based attacks
The most effective strategies for strengthening your email security posture
The upcoming changes to the HIPAA Security Rule and how it will impact healthcare organizations.

Grab your copy of the report here and start increasing your company’s email cyber threat readiness today.

Pete Wermter

As a marketing leader with more than 20 years of experience in enterprise software marketing, Pete's career includes a mix of corporate and field marketing roles, stretching from Silicon Valley to the EMEA and APAC regions, with a focus on data protection and optimizing engagement for regulated industries, such as healthcare and financial services. Pete Wermter — LinkedIn

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Rethinking HIPAA Compliant Email – Not Just a Checkbox

January 20, 2026
Pete Wermter

The compliance-only mentality is outdated.

Let’s be honest—when most healthcare organizations think about HIPAA compliant email, it’s usually in the context of avoiding fines or satisfying checklists. And while yes, compliance is critical, viewing it only through the lens of risk management is a missed opportunity.

In reality, HIPAA compliant email, when implemented properly, is one of the most powerful tools for patient and customer engagement. Why? Because it unlocks the ability to leverage protected health information (PHI) safely, enabling personalized, timely, and high-impact email communication that drives better engagement, satisfaction, and outcomes.

What Makes Email Truly HIPAA Compliant?

As a reminder, HIPAA compliant email requires that protected health information (PHI) is safeguarded both in transit and at rest. That means your email provider must:

Use encryption at all times

Be access-controlled

Include audit logs

Be stored and transmitted in a secure manner

Provide a Business Associate Agreement

Regular email services just don’t cut it. In fact, most consumer or marketing email platforms like Sendgrid or Constant Contact, while great at sending email, are not HIPAA compliant or have limitations when it comes to using PHI in your messages. Even when bolted-on encryption solutions are used, they often lack the flexibility, scalability, and automation needed for safe and effective healthcare email engagement.

LuxSci goes beyond the basics with policy-based encryption, secure TLS, PKI encryption and escrow/secure portal options. LuxSci’s SecureLine™ encryption technology dynamically selects the appropriate encryption method based on recipient capabilities and messaging context and can be configured to enforce secure delivery automatically according to organizational policies. LuxSci also provides the ability to enforce advanced multi-factor authentication. Every message is tracked with full audit trails—no guesswork, no loose ends.

The Real Opportunity – Secure, Personalized Email with PHI

Using PHI to Drive Personalized Messaging
Imagine sending a personalized reminder to a diabetic patient about an upcoming check-up. Or reaching out to new mothers with postnatal care resources tailored to their needs. Or sending automated email workflows to all your members to accelerate and increase new plan enrollments. Or email customer and prospects about a new product upgrade or new service offering. The list goes on. That’s the power of PHI-personalized email—when done securely.

Targeted Segmentation with Sensitive Data
With HIPAA compliant email solutions like LuxSci, you can segment your audience based on real health data with high levels of precision, such as chronic conditions, appointment history, insurance status, health risks, and more, without compromising patient trust or security.

Breaking the One-Size-Fits-All Approach in Healthcare Email
Generic email blasts are over. Modern patients expect personalization. With LuxSci, you can deliver highly targeted, highly secure emails with encrypted content, while staying HIPAA compliant.

Real Business Results from Secure Email

Here’s how secure, personalized email can drive improved results across a range of healthcare communications, including:

Increased Patient Appointments and Follow-ups – Sending encrypted, personalized appointment reminders and follow-up notices can reduce no-shows and boost overall appointment volume.
Boosting Preventative Care with Outreach Campaigns – Preventative campaigns (think flu shots or cancer screenings) sent securely to the right segments can lead to higher response rates, better health outcomes, and a lower cost of care.
Improving Health Plan Enrollments – Targeted email outreach during open enrollment, tailored by eligibility or plan type, and powered by automated workflows leads to higher enrollments and lower call center costs.
Driving Awareness and Sales of New Services or Products – Have a product upgrade offer, new wellness program or telehealth service? Send secure, PHI-informed HIPAA compliant email to the right audience for increased sales and faster adoption.
Optimize Explanation of Benefits Notices – Replace snail mail with email that’s fast, reliable and trackable, ensuring customers are informed and compliance is met.

The Healthcare Marketer’s Secret Weapon: Using PHI Responsibly

In a world moving away from third-party cookies, first-party data is more valuable than ever, and PHI is the most powerful form of it in healthcare. With secure HIPAA compliant email, PHI doesn’t have to be locked away. Marketers can safely use it to understand patient needs and send relevant, timely messages. PHI-driven segmentation lets you build hyper-targeted campaigns that speak to relevant conditions, unique needs and timely topics, increasing open rates, clicks throughs, and campaign conversions.

Meeting the Personalization Demands of Today’s Patients and Customers

HIPAA-compliant email is no longer just about checking a box. It’s about unlocking the full potential of your patient and customer data to drive better engagement, healthier outcomes, and measurable business results.

In closing, below are some final thoughts on how secure, HIPAA compliant email delivers long-term value for your organization and better connections with your patients and customers, including:

- Future-Proofing Healthcare Engagement – Patients expect Amazon-level personalization. HIPAA-compliant tools let you meet those expectations securely.

- Adapting to Data Privacy Regulations Beyond HIPAA – From GDPR to state-level privacy laws, secure communication is no longer optional, it’s foundational.

- Building Trust Through Secure Communication – Each secure, personalized message sent is a trust-building moment with your patients and customers.

Why LuxSci? The Infrastructure Behind the Performance

With LuxSci’s secure email infrastructure and email marketing solutions, healthcare organizations can confidently personalize communication, reach patients more effectively, and fuel growth with PHI-safe segmentation, messaging, and email automation.

LuxSci takes data security and email performance to the next level by offering dedicated cloud infrastructure for each customer, which means your email campaigns aren’t slowed down by other vendors on shared cloud services and your attack footprint is much smaller. In short, you get higher delivery rates and throughput with proven HIPAA compliance and data security.

The future of healthcare engagement is personal, secure, and performance-driven—and it starts with HIPAA compliant email done right.

Reach out today with any questions or to learn more about LuxSci.

FAQs

1. Is HIPAA-compliant email necessary for marketing communications?
Yes—if your emails include or are based on PHI (like appointment reminders, condition-based messaging, or insurance info), you need HIPAA-compliant email and recipient consent to avoid legal risk and preserve patient trust.

2. Can PHI be used in marketing emails under HIPAA?
Yes, with proper consent and secure, HIPAA compliant infrastructure like LuxSci’s, PHI can be safely used in emails for personalized, segmented campaigns.

3. How does LuxSci ensure high email deliverability for healthcare messages?
LuxSci uses dedicated cloud servers for each customer, active email reputation monitoring, and best-practice configurations to ensure high deliverability rates for sensitive emails.

4. Is LuxSci only for marketing teams?
No—LuxSci supports marketing, clinical, operations, and IT teams by enabling secure, compliant email communication across the entire organization.

5. What types of PHI can I use to segment campaigns using LuxSci?
You can segment based on chronic conditions, visit history, insurance status, provider details, age, gender, location, and more—all while staying fully compliant.

Most Popular LuxSci Blog Posts of 2025

December 30, 2025
Pete Wermter

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

LuxSci Welcomes Angel Mazariegos as Head of Finance

December 9, 2025
Pete Wermter

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.”

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

December 4, 2025
Pete Wermter

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!

Healthcare Email Threat Readiness Strategies

May 14, 2025
Pete Wermter

Are you up to date on the latest email security threats?

In this post, we share details from our just-released Email Cyber Threat Readiness Report, exploring the most effective ways to strengthen your healthcare organization’s email cyber threat readiness in 2025.

Let’s go!

Conduct Regular Risk Assessments

To strengthen your company’s email security posture, you must first identify vulnerabilities in your infrastructure that malicious actors could exploit. Frequent risk assessments will highlight the security gaps in your email infrastructure and allow you to implement the appropriate strategies to mitigate threats.

A comprehensive email risk assessment should include:

Assessment of email encryption practices.
Review of email authentication protocols, i.e., SPF, DKIM, DMARC.
Evaluation of access control policies and practices.
Assessment of malware detection capabilities.
Audit of third-party integrations.
Testing of employee email threat awareness through simulated attacks to determine threat readiness and training needs.
Review of incident response and business continuity plans, especially, in this case, in regard to email-based threats.

A risk assessment may also involve the use of vulnerability scanning tools, which scan your email infrastructure looking for conditions that match those stored in a database of known security flaws, or Common Vulnerabilities and Exposures (CVEs). Alternatively, healthcare companies often employ the services of ethical, or ‘white hat’, hackers who carry out penetration tests, in which they purposely attempt to breach your email security measures to pinpoint its flaws.

Implement Email Authentication Protocols

As touched on above, enabling and correctly configuring the right email authentication protocols is an essential mitigation measure against phishing and BEC attacks, domain spoofing and impersonation, and other increasingly common email threats. Just as importantly, it allows recipient email servers to verify that a message is authentic and originated from your servers, which reduces the risk of your domain being blacklisted and your emails being directed to spam folders instead of the intended recipient’s inbox.

The three main email authentication protocols are:

DomainKeys Identified Mail (DKIM): adds a cryptographic signature to outgoing emails, allowing the recipient’s server to verify that the email was not altered in transit.
Sender Policy Framework (SPF): allows domain owners to specify which servers are authorized to send emails on their behalf, mitigating domain spoofing and other forms of impersonation.
Domain-based Message Authentication, Reporting & Conformance (DMARC): builds on SPF and DKIM by establishing policies for handling unauthorized emails. It instructs the recipient email server to monitor, quarantine, or reject emails that fail authentication checks.

Establish Robust Access Control Policies

Implementing comprehensive access control policies reduces the chances of ePHI exposure by restricting its access to individuals authorized to handle it. Additionally, access privileges shouldn’t be equal and should be granted based on the employee’s job requirements, i.e., role-based access control (RBAC).

Zero Trust Architecture (ZTA), in contrast, is a rapidly emerging, and more secure, alternative to RBAC. ZTA’s core principles are “least privilege”, i.e., only granting the minimum necessary access rights, and “never trust, always verify”, i.e., continually asking for the user to confirm their identity as the conditions of their session change, e.g., their location, the resources they request access to, etc.

Enable User Authentication Measures

Because a user’s login credentials can be compromised, through a phishing attack or session hijacking, for instance, access control, though vital, only protects ePHI to an extent. Subsequently, you must require a user to prove their identity, through a variety of authentication measures – with a common method being multi-factor authentication (MFA).

Recommended by HIPAA, MFA requires users to verify their identity in two or more ways, which could include:

Something they know (e.g., one-time password (OTP), security questions)
Something they have (e.g., a keycard or security token)
Something they are (i.e., biometrics: retinal scans, fingerprints, etc.).

What’s more, it’s important to note that the need to enable MFA will be emphasized to a greater degree when the proposed changes to the HIPAA Security Rule go into effect in late 2025.

Identify and Manage Supply Chain Risk

While on the subject of access control, one of the most significant security concerns faced by healthcare organizations is that several third-party organizations, such as vendors and supply chain partners, have access to the patient data under their care to various degrees. As a result, cybercriminals don’t have to breach your email security measures to access ePHI – they could get their hands on your patients’ data through your vendors.

Consequently, third-party risk management must be a fundamental part of every healthcare organization‘s email threat mitigation strategy. This requires you to ensure that each vendor you work with has strong email security measures in place. In light of this, a HIPAA requirement is to have a business associate agreement (BAA) in place with each third party, or business associate, so you both formally establish your responsibilities in securing ePHI.

Set Up Encryption for Data In Transit and At Rest

Encrypting the patient data contained in email communication is a HIPAA regulation, as it prevents its exposure in the event of its interception by a cybercriminal. You should encrypt ePHI both in transit, i.e., when being included in emails, and at rest, i.e., when stored in a database.

Encryption standards sufficient for HIPAA compliance include:

TLS (1.2 +): a commonly-used encryption protocol that secures email in transit; popular due to being ‘invisible’, i.e., simple to use.
AES-256: a powerful encryption standard primarily used to safeguard stored data, e.g., emails stored in databases or archives.
PGP: uses public and private key pairs to encrypt and digitally sign emails for end-to-end security.
S/MIME: encrypts and signs emails using digital certificates issued by trusted authorities.

Develop a Patch Management Strategy

One of the most common means of infiltrating company networks, or attack vectors, is exploiting known security vulnerabilities in applications and hardware. Vendors release updates and patches to fix these vulnerabilities, so it’s crucial to establish a routine for regularly updating and patching email delivery platforms and the systems and infrastructure that underpin them.

Additionally, vendors periodically stop supporting particular versions of their applications or hardware, leaving them more susceptible to security breaches. With this in mind, you must track which elements of your IT ecosystem are nearing their end-of-support (EOS) date and replace them with suitable, HIPAA-compliant alternatives.

Implement Continuous Monitoring Protocols

Continuously monitoring your IT infrastructure is crucial for remaining aware of suspicious activity in your email traffic and potential security breaches. Without continuous monitoring, cybercriminals have a prime opportunity to infiltrate your network between periodic risk assessments.

Worse, they can remain undetected for longer periods, allowing them to move laterally within your network and access your most critical data and systems. Conversely, continuous monitoring solutions employ anomaly detection to identify suspicious behavior, unusual login locations, etc.

Develop Business Continuity and Disaster Recovery Plans

The unfortunate combination of organizations being so reliant upon email communication, email threats being so prevalent, and the healthcare sector being a consistent target for cyber attacks makes a data breach a near inevitability rather than a mere possibility.

Consequently, it’s imperative to develop business continuity and disaster recovery protocols so you can resume normal operations as soon as possible in the event of a cyber attack. An essential part of a disaster recovery plan is making regular data backups, minimizing the impact on the service provided to patients and customers.

Implement Email Threat Awareness Training for Employees

Healthcare organizations must invest in email threat awareness training for their employees, so they can recognize the variety of email-based cyber attacks they’re likely to face and can play a role in their mitigation.

Email threat awareness training should include:

The different email-based cyber threats (e.g., phishing), how they work, and how to avoid them, including AI-powered threats.
Who to inform of suspicious activity, i.e., incident response procedures.
Your disaster recovery protocols.
Cyber attack simulations, e.g., a phishing attack or malware download.

While educating your employees will increase their email threat readiness, failing to equip them with the knowledge and skills to recognize email-based attacks could undermine your other mitigation efforts.

Download LuxSci’s Email Cyber Threat Readiness Report

To gain further insight into the most effective email threat readiness strategies and how to better defend your healthcare organization from the ever-evolving threat landscape, download your copy of LuxSci’s Email Cyber Threat Readiness Report for 2025.

You’ll also learn about the top email threats facing healthcare organizations in 2025, as well as how the upcoming changes to the HIPAA Security Rule may further impact your company’s cybersecurity and compliance strategies.

Grab your copy of the report here and reach out to us today if you want to learn more.

What Makes PHI Email Compliant with HIPAA Requirements?

July 7, 2025
Erik Kangas

PHI email becomes compliant through end-to-end encryption, access controls, audit trails, and secure transmission protocols. Healthcare organizations must implement email solutions that encrypt protected health information both in transit and at rest, maintain detailed logs of all communications, and restrict access to authorized personnel only. Medical practices encounter the challenges of patient information travelling through digital communication channels, as each message contains names, medical record numbers, or treatment details. Patient communications flow through healthcare systems constantly, creating numerous opportunities for data exposure. Email messages containing appointment confirmations, lab results, or billing inquiries must receive the same protection level as paper records stored in locked cabinets. The difficulty increases when metadata reveals patient-provider relationships without obvious identifying information appearing in message content itself.

Email Encryption Methods Protect Patient Data

Healthcare email platforms deploy Advanced Encryption Standard protocols with 256-bit keys to render intercepted messages unreadable without proper decryption credentials. Transport Layer Security protocols shield communications during transmission between mail servers, while storage encryption protects messages residing in email systems. These protection layers work to secure PHI email whether traveling across networks or sitting in user mailboxes.

Identity-based encryption provides an alternative where recipients authenticate through secure web portals instead of managing encrypted attachments with complex passwords. Patients log into portal systems once and access their messages without downloading files or remembering multiple authentication credentials for different healthcare providers.

User Access Controls Prevent Information Breaches

Multi-factor authentication requires users to provide passwords, mobile verification codes, and sometimes biometric data before accessing PHI email systems. Staff members receive permissions aligned with their job responsibilities, preventing billing personnel from reading clinical notes while restricting nurses from accessing financial communications. These permission structures eliminate accidental information exposure between healthcare departments.

Session timeouts automatically disconnect users after inactivity periods, and systems monitor failed login attempts to detect potential unauthorized access. Organizations document access permissions and conduct monthly reviews to ensure appropriate information boundaries. Employee departures trigger immediate email access revocation to prevent data exposure after employment ends.

Monitoring Systems Track Message Activities

Modern PHI email platforms record message creation, transmission, delivery, viewing, forwarding, and deletion activities. These logs include timestamps, user identifications, and recipient information that create detailed records for compliance reviews and incident investigations. Healthcare organizations must preserve these records for six years and provide them during HIPAA audits.

Behavioral analysis systems detect unusual patterns like mass message downloads during off-hours or attempts to redirect communications to personal email accounts. Security teams receive immediate notifications when suspicious activities occur, enabling rapid investigation of potential breaches or unauthorized access attempts.

Vendor Contracts Define Compliance Obligations

Email service providers handling patient information must execute business associate agreements outlining their compliance responsibilities. These contracts address data protection standards, breach notification timelines, and audit cooperation requirements. Cloud email providers must prove their systems meet HIPAA standards through independent security assessments.

Healthcare organizations bear liability for vendor compliance failures, making thorough evaluation processes necessary before selecting email platforms. Assessment procedures examine data storage locations, infrastructure security measures, and incident response capabilities to ensure adequate protection throughout the technology supply chain.

Employee Education Prevents Security Violations

Training programs teach staff to identify phishing attempts, follow acceptable use policies, and handle PHI email appropriately. Organizations conduct simulated phishing exercises to evaluate employee responses to suspicious messages and provide additional education for those requiring improvement. Policies clarify when staff should use secure messaging platforms instead of traditional email systems.

Content filtering systems scan outgoing messages for Social Security numbers, medical record numbers, and other patient identifiers. When these systems detect sensitive information, they automatically apply encryption or prevent message transmission until users implement appropriate security measures.

Performance Tracking Ensures Program Effectiveness

Healthcare organizations monitor encryption usage rates, policy compliance scores, and incident response times to evaluate their PHI email programs. Monthly assessments examine compliance trends and identify areas where system improvements or additional training could strengthen protection. Risk evaluations examine emerging threats and technology changes that might affect email security.

Compliance teams review email policies quarterly and update procedures based on regulatory developments or security incidents. System testing verifies that encryption, access controls, and monitoring functions operate correctly under various usage conditions, ensuring patient communications receive consistent protection through all organizational email activities.

How to Fix Email Not Delivered Issues?

June 13, 2025
Erik Kangas

Fixing email not delivered issues requires healthcare organizations to verify email addresses, implement authentication protocols, reduce spam triggers, and maintain clean communication channels to ensure messages reach their intended recipients. When an email is not delivered, it triggers communication failures that can disrupt patient care, delay treatments, and create operational inefficiencies throughout healthcare systems. An email not delivered means the intended recipient never receives the message, whether due to spam filtering, server issues, authentication problems, or incorrect email addresses. Healthcare providers, payers, and suppliers experience immediate consequences when critical communications fail to reach their destinations, including missed appointments, delayed care coordination, and lost revenue opportunities. The impact of an email not delivered varies depending on the message type, recipient, and timing, but healthcare organizations consistently see negative effects on patient outcomes and operational performance.

Recovery Strategies For an Email Not Delivered

Recovery strategies after an email not delivered include implementing backup communication methods and improving email authentication protocols. Healthcare organizations can reduce the impact of delivery failures by maintaining multiple contact methods for patients and developing contingency plans for communication disruptions. Regular monitoring of email delivery metrics helps identify patterns of failed deliveries and address underlying causes. Proactive list management and sender reputation monitoring help prevent future instances of email not delivered. Healthcare organizations benefit from establishing dedicated resources for managing email communications, including staff training on delivery best practices and ongoing performance monitoring across different communication channels. These recovery strategies help minimize the long-term impact of email delivery failures on patient care and operational efficiency.

Immediate Consequences

The immediate consequences when an email is not delivered include broken communication chains and missed opportunities for patient engagement. Appointment reminders that fail to reach patients result in higher no-show rates, while lab results trapped in spam folders delay treatment decisions. Healthcare staff may not realize that an email not delivered has occurred until patients miss appointments or fail to respond to time-sensitive communications. Patient portal notifications that go undelivered prevent patients from accessing test results, prescription refills, and discharge instructions. Emergency contact attempts via email may fail when an email not delivered occurs during after-hours situations, forcing healthcare providers to rely on phone calls or postal mail as backup communication methods. These immediate failures create workflow disruptions that require additional staff time and resources to resolve.

Patient Care Disruptions When Email is Not Delivered

Patient care disruptions occur when an email not delivered prevents timely communication between healthcare providers and patients. Referral communications that never arrive can interrupt care coordination between primary physicians and specialists, delaying diagnoses and treatment plans. Pre-operative instructions sent via email may not reach patients, creating safety risks and potential surgical delays. Chronic disease management programs rely heavily on email communication for medication reminders, lifestyle coaching, and progress monitoring. When an email not delivered occurs in these programs, patients may miss medication doses, skip monitoring activities, or fail to attend follow-up appointments. Medication adherence drops significantly when patients do not receive email reminders about prescription refills or dosage changes.

Revenue Impact

Revenue impact from an email not delivered includes lost appointment fees, delayed payments, and reduced patient engagement with healthcare services. Billing statements that fail to reach patients extend collection cycles and increase accounts receivable aging. Insurance pre-authorization requests that go undelivered can delay procedures and reduce reimbursement opportunities. Healthcare organizations lose revenue when marketing emails promoting wellness programs, health screenings, and elective procedures fail to reach patient inboxes. Patient satisfaction scores may decline when communication failures occur, affecting quality bonuses and value-based care payments. The financial impact compounds over time as organizations continue investing in email communication tools that fail to deliver expected returns due to delivery failures.

Operational Inefficiencies from Email Not Delivered

Operational inefficiencies arise when an email not delivered disrupts routine workflows and communication processes. Staff members spend additional time following up on communications that may have been filtered or blocked, reducing productivity and increasing administrative costs. Supply chain communications that fail to reach vendors or suppliers can create inventory shortages and delivery delays. Electronic health record systems generate automated notifications for various clinical events, and when an email not delivered occurs, providers may miss important alerts about patient status changes or test results. Quality improvement initiatives that depend on email communication for data collection and reporting may experience delays when key stakeholders do not receive project updates or meeting notifications.

Technology System Failures

Technology system failures occur when an email not delivered prevents automated notifications from reaching their intended recipients. Practice management software relies on email alerts for appointment scheduling, billing processes, and patient communication workflows. When these notifications fail to deliver, healthcare organizations may experience system-wide communication breakdowns affecting multiple departments. Telemedicine platforms and health information exchanges depend on email notifications to alert providers about new patient data, consultation requests, and system updates. An email not delivered in these systems can prevent providers from accessing important patient information or responding to urgent consultation requests. Integration failures between healthcare applications may occur when email-based data exchange processes fail to complete successfully.

What Are HIPAA Email Requirements?

April 11, 2025
Erik Kangas

HIPAA email requirements include implementing administrative, physical, and security protections for electronic protected health information transmitted through email communications. Healthcare organizations must establish policies, provide staff training, implement encryption measures, maintain audit trails, and execute business associate agreements when using email systems that handle PHI to ensure compliance with Privacy and Security Rule obligations. Email communication has become indispensable for healthcare operations, yet many organizations lack comprehensive understanding of specific HIPAA obligations that apply to electronic messaging. Clear knowledge of these requirements helps healthcare providers maintain compliance while utilizing email efficiency for patient care and administrative functions.

Administrative Protection Requirements

Written policies must govern how healthcare organizations use email for PHI communications, including procedures for patient authorization, encryption standards, and incident response protocols. These policies should address all aspects of email usage from initial setup through message retention and disposal. Privacy officer designation ensures that healthcare organizations have qualified personnel responsible for developing email policies, training staff, and monitoring compliance with HIPAA email requirements. This individual must have authority to implement changes and investigate potential violations. Workforce training programs must educate healthcare personnel about proper email usage, patient privacy rights, and security procedures for PHI protection. Training should be provided to all staff who use email systems and updated regularly to address new threats and regulatory guidance.

Physical Protection Standards

Workstation security controls prevent unauthorized individuals from accessing email systems containing PHI through unattended computers or mobile devices. Healthcare organizations must implement automatic screen locks, secure login procedures, and physical access restrictions for devices used to access patient information. Device controls help healthcare organizations manage smartphones, tablets, and laptops used for email communications containing PHI. These controls should include encryption requirements, remote wipe capabilities, and restrictions on personal use of organizational devices. Facility access restrictions protect email servers and network infrastructure from unauthorized physical access. Healthcare organizations must secure server rooms, network equipment, and backup systems that store or transmit PHI through appropriate access controls and environmental protections.

Information Access Management Controls

User authentication systems verify the identity of individuals accessing email systems before granting access to PHI. Healthcare organizations must implement strong password requirements, account lockout procedures, and regular access reviews to ensure that only authorized personnel can access patient information. Role-based access controls limit email functionality based on job responsibilities and PHI access needs. Administrative staff might have different email permissions than clinical personnel, ensuring that users only access information necessary for their specific duties within the healthcare organization. Account management procedures ensure that email access aligns with current employment status and job responsibilities. Healthcare organizations must promptly remove access when employees leave and update permissions when staff change roles to prevent unauthorized PHI access.

Audit Control and Accountability Measures

Activity logging systems must capture detailed records of email access, transmission, and modification activities involving PHI. These logs should include user identification, timestamps, and actions taken to support compliance monitoring and potential breach investigations. Regular log reviews help healthcare organizations identify unusual access patterns, potential security threats, and policy violations related to email usage. These reviews should be conducted by qualified personnel who can recognize indicators of inappropriate PHI access or disclosure. Accountability documentation helps healthcare organizations track individual responsibility for email activities involving PHI. Clear assignment of user accounts and regular certification of access needs ensure that email usage can be traced to specific individuals when necessary.

Information Integrity Protections

Data validation procedures help ensure that PHI transmitted through email remains accurate and complete during transmission. Healthcare organizations should implement controls that detect unauthorized modifications to email content or attachments containing patient information. Backup and recovery systems protect email data from loss due to system failures, security incidents, or natural disasters. These systems must maintain the same security protections as primary email systems while ensuring that PHI can be restored when needed for patient care or compliance purposes. Version control measures help healthcare organizations track changes to email policies, system configurations, and security settings that affect PHI protection. These controls support audit requirements and help ensure that security measures remain current and effective.

Transmission Security Standards

Encryption implementation protects PHI during email transmission between healthcare organizations and external recipients. Healthcare organizations must evaluate their email systems to determine appropriate encryption methods based on risk assessments and HIPAA email requirements. Network security controls protect email infrastructure from unauthorized access and cyber threats. These controls include firewalls, intrusion detection systems, and secure network configurations that prevent attackers from intercepting or modifying email communications containing PHI. Message routing procedures ensure that emails containing PHI follow secure transmission paths and reach intended recipients without unauthorized disclosure. Healthcare organizations should implement controls that prevent accidental misdirection of patient information to wrong email addresses.

Business Associate Management Obligations

Vendor evaluation processes help healthcare organizations select email service providers that can meet HIPAA email requirements and provide appropriate security protections for PHI. These evaluations should include security assessments, compliance audits, and reviews of vendor policies and procedures. Contract requirements ensure that business associates providing email services agree to protect PHI and comply with HIPAA obligations. Business associate agreements must specify security requirements, breach notification procedures, and audit rights that healthcare organizations need to maintain compliance. Monitoring procedures help healthcare organizations verify that business associates continue meeting HIPAA email requirements and maintaining appropriate PHI protections.