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Security report for der-metronom.de

metronom Eisenbahngesellschaft mbH · Transportation · Germany

Medium risk. 7 critical or high findings in GDPR outside view, Security headers and 1 other check.

Security score

60/100

Risk levelMedium

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

metronom Eisenbahngesellschaft mbH operates regional passenger rail services connecting key northern German states including Niedersachsen, Hamburg, and Bremen. The company positions itself as a reliable regional transport provider with a focus on customer service, real-time travel information, and sustainable mobility. Their business model centers on providing scheduled train services, ticketing solutions, and substitute bus services during infrastructure works. The website reflects a medium-sized enterprise with consistent branding and a strong regional presence supported by partnerships with local transport authorities and the parent company Netinera. Technically, the website employs modern web technologies including Progressive Web App features, service workers, and integrates third-party widgets for travel planning. Hosting and DNS are managed via Cloudflare, ensuring good performance and security. The site is mobile-optimized, accessible, and SEO-friendly, with comprehensive metadata and structured content. From a security perspective, the site enforces HTTPS, uses standard security headers, and avoids exposing sensitive data. However, it lacks a dedicated security policy, incident response information, and vulnerability disclosure mechanisms, which are recommended for enhanced transparency and trust. Privacy compliance is well addressed with a comprehensive privacy policy and cookie consent mechanisms aligned with GDPR. Overall, the website is professional, trustworthy, and well-suited for its audience. Strategic improvements in security transparency and incident response readiness would further strengthen its posture.

Scanned

NIS2 and GDPR posture

GDPR outside view
28/ 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

7 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

    • 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

  2. 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';…

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Keep watching der-metronom.de

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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
47
Security headers
55
Email security
70
DNS health
60
Network security
100
GDPR outside view
28
Average
60

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

metronom holds a competitive position as a regional rail operator in Northern Germany, leveraging contracts such as the Hansenetz Nord. Its key competitive advantages include a strong regional network, integration with local transport authorities, and a customer-centric approach with digital tools like real-time travel info and mobile apps. Revenue streams likely derive from ticket sales, government contracts, and partnerships. The target customers are daily commuters, tourists, and regional travelers. The company maintains a partnership ecosystem with regional governments and transport associations, enhancing service coverage and reliability. Growth indicators include recent contract awards and digital service expansions. The website content and social media presence support a transparent and engaged operational model.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, use of security headers, and no visible sensitive data leakage. The integration of service workers and PWA features is handled securely. However, the absence of a published security policy, incident response contacts, and vulnerability disclosure program represents a compliance gap. No known vulnerabilities or suspicious scripts were detected. The use of Cloudflare provides additional security and performance benefits. The site could improve by publishing explicit security governance documents and providing clear channels for security incident reporting.

Recommendations

  1. Publish a dedicated security policy page outlining security governance and controls.
  2. Implement and publicize an incident response process with contact channels for security issues.
  3. Establish a vulnerability disclosure program or security.txt file to encourage responsible reporting.
  4. Regularly review and update third-party scripts and dependencies to mitigate vulnerabilities.
  5. Enhance form security with anti-bot measures such as CAPTCHA to prevent abuse.

Contact details published on the site

Addresses
Legal name
metronom Eisenbahngesellschaft mbH
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
metronom Eisenbahngesellschaft mbH
Description
Unter dem Motto „Unterwegs mit Freunden“ verbindet die metronom Eisenbahngesellschaft die Menschen in den Bundesländer Niedersachsen, Hamburg und Bremen.
Key services
Regional train services (RE2, RE3, RB31, RE4, RB41), Ticket sales and travel planning, Customer service and real-time travel information, Substitute bus services during construction
Content quality
good
Branding
consistent

Technology

Stack
JavaScript, CSS, HTML5, Service Worker (PWA), Cloudflare DNS and CDN, Hafas public transport widget
Frameworks
Progressive Web App (PWA)
Platforms
Web
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Service worker for PWA
  • No exposed sensitive data in HTML
  • Use of security headers

Analytics and tracking

Services
Matomo
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Matomo
Marketing tools
Matomo Analytics
Transparency
basic

Site quality

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

Key observations

  1. Website is professionally designed and well-structured.
  2. Content is comprehensive for regional rail services in Northern Germany.
  3. Multiple social media and customer contact channels available.
  4. Use of modern web technologies including PWA and service workers.
  5. No signs of malicious or suspicious content.
  6. Good SEO and accessibility practices observed.
  7. No explicit security policy or incident response information published.
  8. No vulnerability disclosure or security.txt found.
Technical notes

Notes

The website uses a modern tech stack including HTML5, CSS, JavaScript, and PWA technologies with service workers for offline capabilities. It integrates a third-party public transport widget (Hafas) for real-time travel planning. Hosting and DNS are managed by Cloudflare, providing CDN and security features. The site is mobile-optimized and accessible, with good SEO metadata and structured navigation. Performance is moderate, with potential for optimization in script loading and asset delivery. No CMS was explicitly detected, suggesting a custom or static site generation approach. Technical risks are low but could be further mitigated by continuous monitoring of third-party components.
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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