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Security report for keytruda.cz

Keytruda Czech · Healthcare · Czech Republic

Medium risk. 4 critical or high findings in GDPR outside view and SSL/TLS.

Security score

73/100

Risk levelMedium

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

Keytruda.cz is a professionally designed pharmaceutical information website targeting medical professionals in the Czech Republic. It provides detailed information about pembrolizumab (Keytruda), including indications, dosage, side effect management, and educational multimedia content. The site is well-branded and consistent with the pharmaceutical industry standards, likely operated or affiliated with MSD, a major pharmaceutical company. Technically, the site is built on WordPress VIP, uses modern JavaScript libraries, and integrates Google Tag Manager and OneTrust for analytics and cookie consent, respectively. Hosting is via AWS DNS infrastructure, indicating reliable hosting. Security posture is good with HTTPS enforced and no exposed sensitive data, though the absence of security headers and explicit security policies suggests room for improvement. Privacy compliance is partial, with a cookie consent mechanism present but no visible privacy policy or terms of service pages in the provided content. Overall, the site is trustworthy, professional, and safe for its intended audience.

Scanned

NIS2 and GDPR posture

GDPR outside view
48/ 100 · High
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. GDPR outside view

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

    • Critical

      EU business without adequate privacy measures

      EU businesses are subject to strict GDPR requirements

      What to do: Implement comprehensive GDPR compliance including privacy policy, cookie consent, and data protection measures

    • High

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

  2. 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
    • High

      Weak SSL Key Length

      SSL certificate uses 256-bit key, which is considered weak

      What to do: Use at least 2048-bit RSA or 256-bit ECC key

      • CWE-326
      • OWASP A04:2025
      • Mozilla TLS: Mozilla Server Side TLS 6.0 intermediate: rsa_key_size 2048

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

Keep watching keytruda.cz

This scan found 18 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.

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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
52
Security headers
85
Email security
70
DNS health
85
Network security
100
GDPR outside view
48
Average
73

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

The website serves as an informational and promotional platform for Keytruda, a cancer immunotherapy drug. It targets specialist physicians and healthcare providers in oncology within the Czech Republic. The business model focuses on education and support for medical professionals, enhancing product awareness and compliance with local reimbursement conditions. The presence of MSD-related links indicates a strong partnership or ownership. The site’s content and structure support ongoing medical education and patient management, positioning it as a key resource in the regional oncology market. The lack of direct contact details suggests a controlled communication channel, typical for pharmaceutical marketing sites. The site’s moderate size and recent domain registration align with a focused regional marketing effort.

Security posture

The site enforces HTTPS and uses reputable hosting and DNS providers, which is a strong security foundation. The integration of OneTrust for cookie consent indicates attention to privacy regulations. However, the absence of visible security headers such as Content Security Policy, HSTS, and X-Frame-Options reduces the overall security posture. No security or incident response policies are published, and no dedicated security contact channels are found. The use of third-party scripts like Google Tag Manager and New Relic is standard but requires ongoing monitoring for vulnerabilities. No vulnerabilities or suspicious activities were detected in the analyzed content. Overall, the security posture is good but could be enhanced by implementing additional HTTP security headers and publishing security policies.

Recommendations

  1. Publish a comprehensive privacy policy and terms of service pages accessible from the homepage.
  2. Implement and configure HTTP security headers including CSP, HSTS, X-Frame-Options, and X-Content-Type-Options.
  3. Add clear contact information including security incident response contacts.
  4. Regularly audit and update third-party scripts to mitigate potential vulnerabilities.
  5. Enhance accessibility features and provide detailed cookie and data retention policies.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Keytruda Czech
Description
Informace pro lékařské pracovníky k pembrolizumabu - léčba, bezpečnost a další.
Key services
Information on pembrolizumab (Keytruda) indications, Dosage guidelines, Management of side effects, Educational articles and videos
Content quality
good
Branding
consistent

Technology

Stack
WordPress, Yoast SEO plugin, Google Tag Manager, OneTrust Cookie Consent, New Relic Browser monitoring, JavaScript ES6+
Platforms
WordPress VIP
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Use of OneTrust for cookie consent
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Tag Manager, New Relic Browser
Tracking level
moderate
Privacy practices
basic

Advertising

Tracking pixels
New Relic
Marketing tools
OneTrust Cookie Consent
Transparency
basic

Site quality

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

Key observations

  1. Website is a professional pharmaceutical information portal targeting Czech medical professionals.
  2. Content is well structured with clear navigation and relevant medical topics.
  3. Use of modern web technologies and compliance tools like OneTrust.
  4. No direct contact information or privacy policy page found in the provided content.
  5. No visible security headers detected; opportunity for improvement.
  6. No signs of malicious or suspicious activity.
Technical notes

Notes

The website is built on WordPress VIP, leveraging modern JavaScript frameworks and libraries. It uses Yoast SEO for search optimization and integrates Google Tag Manager and New Relic for analytics and performance monitoring. The site is hosted on AWS infrastructure, ensuring scalability and reliability. Performance is moderate with good mobile optimization and basic accessibility features. The site uses OneTrust for GDPR-compliant cookie consent management. The technical implementation is solid but could benefit from enhanced security headers and more comprehensive privacy disclosures. The site structure and navigation are clear and user-friendly, supporting the target audience effectively.
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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