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Security report for groupe-sncf.com

SNCF Group · Transportation · France

Medium risk. 7 critical or high findings in Security headers, GDPR outside view and 2 other checks.

Security score

64/100

Risk levelMedium

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

SNCF Group is a leading global player in low-carbon mobility, specializing in passenger transport and freight logistics. The company operates internationally with a large workforce and a diversified portfolio of subsidiaries including SNCF SA, Keolis, and GEODIS. Their business model focuses on sustainable transportation solutions and mass transit services, positioning them as a world leader in their sector. The website reflects a mature digital presence with comprehensive content targeting various stakeholders such as job seekers, investors, journalists, suppliers, and travelers. Technically, the site leverages modern frameworks like Next.js and React, integrates advanced consent management and bot protection, and demonstrates good performance and accessibility standards. Security posture is strong with HTTPS and bot mitigation, though explicit security policies and incident response contacts are not published. The absence of WHOIS data is a notable anomaly but does not detract from the overall legitimacy indicated by the website content and branding. Strategic recommendations include enhancing transparency around security policies and improving WHOIS data availability for trust enhancement.

Scanned

NIS2 and GDPR posture

GDPR outside view
58/ 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

7 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 X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

    • 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 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

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

Keep watching groupe-sncf.com

This scan found 22 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
75
Security headers
20
Email security
50
DNS health
80
Network security
100
GDPR outside view
58
Average
64

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

SNCF Group holds a dominant market position in transportation, with a strong emphasis on sustainability and innovation. Their extensive international footprint and diversified subsidiaries enable broad service offerings across freight logistics and passenger transport. The company benefits from a robust brand and clear CSR commitments, which support its competitive advantage. Revenue streams are primarily from transport services and logistics, with growth potential in emerging markets and digital transformation initiatives. The website's structured navigation and targeted content reflect a well-organized partnership ecosystem and a focus on stakeholder engagement. The absence of direct contact emails and phone numbers suggests a preference for controlled communication channels via web forms, enhancing data management and security.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, bot protection via Datadome, and consent management through Didomi. However, the lack of explicit security policies, incident response contacts, and vulnerability disclosure mechanisms indicates room for improvement in transparency and readiness. No vulnerabilities or exposed sensitive data were detected in the HTML content. Security headers are partially inferred but not explicitly confirmed in the HTML. The site aligns well with GDPR compliance through comprehensive privacy and cookie policies. Overall, the security maturity is good but could be enhanced by publishing dedicated security documentation and contact channels.

Recommendations

  1. Publish a dedicated security policy page detailing security practices and frameworks.
  2. Provide clear incident response contact information such as security@ or abuse@ email addresses.
  3. Implement and verify comprehensive security headers including X-Frame-Options and X-Content-Type-Options.
  4. Consider publishing a vulnerability disclosure policy or security.txt file to encourage responsible reporting.
  5. Improve WHOIS data transparency to enhance domain trustworthiness and reduce suspicion.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
SNCF Group
Description
A key player in low-carbon mobility, our Group is one of the world leaders in passenger transport and freight logistics.
Key services
Passenger transport, Freight logistics, Mass transit, High-speed rail transport
Content quality
excellent
Branding
consistent

Technology

Stack
React, Next.js, Google Tag Manager, Didomi Consent SDK, Datadome bot protection
Frameworks
Next.js, React
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Bot protection via Datadome
  • Consent management via Didomi
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Tag Manager, Piano Analytics
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Datadome
Marketing tools
Piano Analytics
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 professional design.
  2. Strong corporate branding and consistent messaging.
  3. Comprehensive information about business, subsidiaries, and CSR commitments.
  4. Good privacy and cookie policy presence with consent management.
  5. No direct contact emails or phone numbers found in HTML; contact via web forms.
  6. No explicit security policy or incident response contacts published.
  7. Use of modern web technologies and analytics tools.
  8. No WAF or blocking detected; no error pages.
  9. WHOIS data missing, which is unusual but website appears legitimate.
Technical notes

Notes

The website is built on a modern React and Next.js stack, ensuring fast performance and excellent mobile optimization. Integration of Google Tag Manager and Piano Analytics indicates advanced analytics capabilities. Consent management is handled by Didomi, supporting GDPR compliance. Bot protection is implemented via Datadome, enhancing security against automated threats. The site uses custom or proprietary CMS solutions, with no common CMS detected. Accessibility features are present and the site meets partial RGAA 4.1 standards with a 98.53% compliance rate. SEO is well addressed with proper meta tags and Open Graph data. Overall, the technical infrastructure is robust, scalable, and aligned with current best practices.
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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