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Security report for regeneron.com

Regeneron · Healthcare · United States

Low risk. No critical or high findings.

Security score

90/100

Risk levelLow

0–100, higher is better. How it is calculated

Regeneron is a leading biopharmaceutical company focused on harnessing biology and technology to develop innovative medicines for serious diseases. The website reflects a mature enterprise with a strong market position, targeting healthcare professionals, investors, patients, and job seekers globally. The company emphasizes scientific research, clinical trials, and corporate responsibility. Technically, the website uses modern technologies including Kentico CMS, Google Tag Manager, and embedded Vimeo videos, delivering a well-structured, accessible, and mobile-optimized experience. Security posture is strong with HTTPS enforced and cookie consent mechanisms in place, though some security headers could be explicitly declared for enhanced protection. The absence of WHOIS data is noted but likely due to privacy or registry policies rather than malicious intent. Overall, the site demonstrates high professionalism, trustworthiness, and compliance with privacy regulations.

Scanned

NIS2 and GDPR posture

GDPR outside view
88/ 100 · Low
Checks completed
7of 7

NIS2 Art. 21(2)

  1. (a) Risk analysis and security policies: Not visible from outside
  2. (b) Incident handling: One indicator
  3. (c) Business continuity, backups and crisis management: Not visible from outside
  4. (d) Supply chain security: Not visible from outside
  5. (e) Secure acquisition, development and maintenance, including vulnerability handling: Partly checked
  6. (f) Assessing the effectiveness of security measures: Not visible from outside
  7. (g) Cyber hygiene and security training: Not visible from outside
  8. (h) Cryptography and encryption: Partly checked
  9. (i) HR security, access control and asset management: One indicator
  10. (j) Multi-factor authentication and secured communications: Not visible from outside

This scan rated NIS2 with an earlier keyword method that is no longer shown; rescan for the per-article view. Risk management, continuity, supply chain, training, MFA, management oversight (Art. 20) and incident reporting (Art. 23) need internal evidence, and Guard cannot tell whether NIS2 applies to this organisation.

GDPR is indicative only, based on publicly visible signals: Articles 7, 12, 13 and 32 of Regulation (EU) 2016/679 and Article 5(3) of the ePrivacy Directive. Not a certification or legal assessment.

Priority findings

No critical or high findings. These medium findings are worth fixing next.

  1. Security headers

    Security headers are instructions your web server sends to every visitor’s browser. Missing ones leave visitors more exposed to attacks such as clickjacking and injected scripts.

    • Medium

      Missing Permissions-Policy header

      Controls browser features and APIs

      What to do: Implement a Permissions-Policy to restrict feature access

      • OWASP Secure Headers: OWASP Secure Headers Project recommends Permissions-Policy: accelerometer=(), autoplay=(), camera=(), cross-origin-isolated=(),…

  2. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • Medium

      Privacy policy may not be GDPR compliant

      Privacy policy lacks explicit GDPR compliance elements

      What to do: Update privacy policy to explicitly address GDPR requirements and user rights

  3. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • Medium

      No MTA-STS Policy

      MTA-STS enforces TLS for email delivery

      What to do: Implement MTA-STS to prevent downgrade attacks

  4. DNS health

    DNS sends visitors and email to the right servers. Misconfigured records can cause outages or let someone redirect your traffic.

    • Medium

      DNSSEC Not Enabled

      DNSSEC is not configured for this domain

      What to do: Enable DNSSEC to prevent DNS spoofing attacks

      • CAPEC-142
      • RFC 4033
      • RFC 4035

Keep watching regeneron.com

This scan found 11 issues across 6 checks. Monitoring re-runs those checks daily, emails you when something material changes and records each fix, so you can show progress.

Daily monitoring

Recommended

€25per month

  • TLS certificates and expiry
  • DNS records
  • SPF, DKIM and DMARC
  • Security headers
  • GDPR and NIS2 posture
  • Exposed services
  • Third-party trackers
  • Security score drift

Email alerts on material changes and an exportable JSON history of every change.

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Results by check

Each check with its score, findings and the evidence it collected.

How this score is calculated

The security score runs 0–100, higher is better. It is the plain average of the security checks that completed in this scan, each counted equally. A check that could not run is left out: it counts neither as a pass nor as a fail.

Counted in this score

SSL/TLS
100
Security headers
85
Email security
85
DNS health
80
Network security
100
GDPR outside view
88
Average
90

Not counted

  • NIS2 outside view: Re-weights evidence from the TLS, email, DNS, network and hygiene checks, so counting it would count that evidence twice. Shown on its own.
  • OffSeq Observations: An AI reading of the site, useful context but not reproducible evidence. Shown on its own.

Findings that cap the score at 49

Each of these is serious on its own, so while any is present the site cannot rate better than high risk, however good the other checks are.

  • The certificate is not trusted by browsers
  • The website is not served over HTTPS
  • A database, remote desktop, file-sharing or Telnet service is reachable from the internet
  • The page loads a script from a compromised source
  • The domain registration has expired
  • SPF authorises every server to send mail as the domain

Partial scans

When the site blocks Guard or most checks cannot run, the score covers only the checks that ran (usually DNS and email), is capped at 75 and is shown as partial, without a risk level.

Risk levels

  • Critical0–25
  • High26–49
  • Medium50–75
  • Low76–100

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

Regeneron operates in the healthcare sector with a focus on biotechnology and pharmaceutical development. Its business model centers on research, development, and commercialization of biologic medicines, supported by clinical trials and genetic research. The company maintains a global presence with localized websites for multiple countries, indicating a broad market reach. Partnerships are evident through dedicated investor relations, careers, and clinical trial domains. The website content and structure support a sophisticated audience including investors and healthcare professionals. The company’s NASDAQ listing and comprehensive corporate responsibility initiatives enhance its competitive advantage and market credibility.

Security posture

The website exhibits a mature security posture with HTTPS enforced and a cookie consent mechanism compliant with GDPR. Security best practices include no visible exposure of sensitive data and use of trusted third-party services like Google Tag Manager. However, explicit security headers such as Content-Security-Policy and X-Content-Type-Options were not detected in the provided data and should be implemented to strengthen defenses against common web attacks. No vulnerability disclosure or incident response contacts were found, which could be improved to enhance transparency and readiness. Overall, the security posture is strong but could benefit from additional header configurations and published security policies.

Recommendations

  1. Implement and explicitly configure Content-Security-Policy and other security headers to mitigate XSS and clickjacking risks.
  2. Publish a dedicated vulnerability disclosure policy or security.txt file to facilitate responsible reporting.
  3. Provide clear incident response contact information, such as security@ or abuse@ email addresses.
  4. Regularly audit third-party scripts and libraries to ensure no vulnerabilities are introduced.
  5. Enhance transparency by linking to detailed privacy and data protection officer contact information.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Regeneron
Description
Discover how Regeneron (NASDAQ: REGN) harmonizes biology and technology to create life-changing medicines. Join our team and explore clinical trials.
Key services
Biologic medicines development, Clinical trials, Research and development in genetics and biotechnology
Content quality
excellent
Branding
consistent

Technology

Stack
Google Tag Manager, jQuery 3.5.1, Kentico CMS (inferred from content bundle path), Vimeo embedded videos
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Consent management platform for cookies
  • No exposed sensitive data in HTML
  • No vulnerable libraries detected in scripts

Analytics and tracking

Services
Google Tag Manager
Tracking level
moderate
Privacy practices
good

Advertising

Transparency
good

Site quality

Design
excellent
User experience
excellent
Content relevance
excellent
Navigation
excellent
Professionalism
excellent
Trustworthiness
high

Key observations

  1. Website is fully accessible with rich content and multimedia.
  2. Strong corporate branding and global localization.
  3. Comprehensive privacy and cookie policies with consent mechanisms.
  4. No direct company emails or phone numbers found in HTML; contact via form only.
  5. No security.txt or explicit vulnerability disclosure page detected.
  6. No explicit incident response or security contact emails found.
  7. Use of modern web technologies and CMS (Kentico).
  8. No suspicious or malicious external domains linked.
  9. Good SEO and accessibility practices observed.
Technical notes

Notes

The website is built on a modern technology stack including Kentico CMS, jQuery, Google Tag Manager, and Vimeo for video content. The site is mobile-optimized and accessible, with good SEO practices such as meta tags and structured data (JSON-LD) for medical webpage schema. Performance is moderate, likely influenced by multimedia content and third-party scripts. The absence of explicit hosting provider information limits full infrastructure assessment. Technical risks are minimal but include the need for enhanced security header implementation and continuous monitoring of third-party dependencies to prevent potential vulnerabilities.
Standards and sources

Reference chips under each finding point to the standard, regulation or specification the finding relates to. They are taken from the official datasets below and mapped conservatively: a finding with no defensible link shows none. NIS2 and GDPR references mark where a finding is relevant evidence, not a compliance verdict. Implementing Regulation (EU) 2024/2690 binds digital infrastructure and digital service providers; for other entities it is the most detailed public reading of the Article 21 measures. WCAG, EN 301 549, European Accessibility Act and Web Accessibility Directive references name the requirement an automated accessibility rule relates to; they are not a conformance verdict.

Retrieved 2026-10-25

Earlier scans of this domain

  1. 90/100Low19 findingsView report
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