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Security report for msdclinicaltrials.com

Merck & Co., Inc. · Healthcare · United States

Medium risk. 4 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

75/100

Risk levelMedium

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

The website www.msdclinicaltrials.com serves as an official platform for Merck & Co., Inc. (known as MSD outside the US and Canada) to provide information about clinical trials and medical research. It targets patients, caregivers, healthcare professionals, and potential clinical trial volunteers globally. The site offers comprehensive resources on various therapeutic areas, including cardiovascular diseases, oncology, infectious diseases, and vaccines, reflecting MSD's long-standing commitment to healthcare innovation. The business model focuses on pharmaceutical research and development with a strong emphasis on clinical trials to advance medical science. Technically, the website is built on WordPress with modern technologies such as Vue.js and integrates tools like Google Tag Manager and OneTrust for cookie consent management. The site is well-optimized for mobile devices, accessible, and SEO-friendly, with multilingual support for global reach. Performance is moderate, with room for improvement in explicit security header implementation. From a security perspective, the site enforces HTTPS and uses cookie consent mechanisms, but lacks visible advanced security headers and publicly available security or incident response policies. No vulnerabilities or exposed sensitive data were detected. The absence of WHOIS domain registration data is a notable concern, impacting domain legitimacy trust scores, though the website content and branding strongly suggest it is an official MSD resource. Overall, the website presents a professional, trustworthy, and user-friendly experience with strong content quality and privacy compliance. Strategic recommendations include enhancing security headers, publishing security policies, and verifying domain registration details to improve trustworthiness and compliance posture.

Scanned

NIS2 and GDPR posture

GDPR outside view
73/ 100 · Medium
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

4 findings rated critical or high. Fix these first.

  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.

    • High

      Missing Strict-Transport-Security header

      Forces HTTPS connections

      What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"

      • CWE-319
      • OWASP A04:2025
      • ASVS V3.4.1
    • High

      Missing Content-Security-Policy header

      Controls resources the browser is allowed to load

      What to do: Implement a Content-Security-Policy appropriate for your application

      • ASVS V3.4.3
      • OWASP Secure Headers: OWASP Secure Headers Project recommends Content-Security-Policy: default-src 'self'; form-action 'self'; base-uri 'self'; object-src 'none';…

  2. GDPR outside view

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

    • High

      No Cookie Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

  3. SSL/TLS

    TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.

    • High

      Weak Protocols Supported

      Server supports weak protocols: TLSv1.1

      What to do: Disable TLS 1.0, TLS 1.1, and all SSL versions

      • CWE-327
      • OWASP A04:2025
      • ASVS V12.1.1

Need hands-on remediation? Email guard@offseq.com

Keep watching msdclinicaltrials.com

This scan found 19 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

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

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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
72
Security headers
50
Email security
70
DNS health
85
Network security
100
GDPR outside view
73
Average
75

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

MSD clinical trials website positions Merck & Co., Inc. as a global leader in healthcare research, focusing on clinical trials across multiple therapeutic areas. The company leverages its 130-year history and enterprise scale to maintain a competitive advantage in pharmaceutical R&D. The business model is centered on innovation through clinical research, targeting diverse patient populations and healthcare professionals. The multilingual and region-specific language support indicates a strategic approach to global market penetration. The website's integration with MSD corporate domains and privacy policies reflects a strong partnership ecosystem and adherence to regulatory standards. Growth indicators include comprehensive patient and caregiver resources and emphasis on diversity and inclusion in clinical research.

Security posture

The website demonstrates a mature security posture with HTTPS enforced and cookie consent managed via OneTrust, indicating compliance with privacy regulations such as GDPR. However, the lack of explicit security headers like Content-Security-Policy and absence of publicly available security or incident response policies suggest areas for improvement. No vulnerabilities or exposed sensitive information were found in the HTML content. The missing WHOIS registration data raises concerns about domain legitimacy, which should be addressed to strengthen trust. Overall, the security maturity is good but can be enhanced by adopting additional best practices and transparency in security governance.

Recommendations

  1. Implement and publish explicit security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  2. Publish a dedicated security policy and incident response information to improve transparency and preparedness.
  3. Verify and update WHOIS domain registration information to ensure domain legitimacy and trust.
  4. Enhance contact information availability, including verified company emails and phone numbers for support and security reporting.
  5. Conduct regular third-party script audits and performance optimizations to maintain security and user experience.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Merck & Co., Inc.
Description
MSD stands at the forefront of research to help prevent and treat diseases that threaten people’s health by conducting clinical trials. The company has a 130-year history focused on research and innovation to save and improve lives globally.
Key services
Clinical trials across multiple therapeutic areas, Patient and caregiver resources, Medical science research
Content quality
excellent
Branding
consistent

Technology

Stack
WordPress, Yoast SEO plugin, OneTrust cookie consent, Google Tag Manager, jQuery, Vue.js
Frameworks
Yoast SEO, WPML (WordPress Multilingual Plugin)
Platforms
WordPress CMS
Performance
moderate
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism implemented
  • No exposed sensitive data in HTML
  • Use of Google Tag Manager for controlled script loading

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 multilingual support.
  2. Strong branding consistent with MSD corporate identity.
  3. Comprehensive clinical trial information and patient resources.
  4. Cookie consent implemented via OneTrust.
  5. No direct contact emails or phone numbers found on homepage.
  6. WHOIS data missing, which reduces domain trustworthiness score.
  7. No security or incident response policies publicly visible.
  8. No suspicious or malicious content detected.
Technical notes

Notes

The website is built on a WordPress CMS platform enhanced with Vue.js for interactive components and uses Yoast SEO for search optimization. It integrates Google Tag Manager for analytics and OneTrust for cookie consent management, reflecting a modern and privacy-conscious tech stack. The site is multilingual, supporting a wide range of languages and regions, indicating robust internationalization. Performance is moderate with good mobile optimization and accessibility features. However, explicit security headers are not detected in the HTML source, representing a technical gap. Hosting provider details are not disclosed. Overall, the technical infrastructure supports a professional and scalable web presence but could benefit from enhanced security configurations and performance tuning.
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

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