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Security report for centralesupelec.fr

CentraleSupélec · Education · France

Medium risk. 8 critical or high findings in GDPR outside view, Security headers and 1 other check.

Security score

51/100

Risk levelMedium

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

CentraleSupélec is a prestigious French engineering school focused on delivering high-quality education and cutting-edge research. The institution offers a broad range of programs including bachelors, masters, doctorates, and executive education, supported by strong partnerships with industry and academia. The website reflects a mature digital presence with modern technologies such as Drupal 10, Matomo analytics, and a comprehensive cookie consent mechanism, ensuring compliance with GDPR and privacy standards. Security posture is solid with HTTPS and privacy-focused analytics, though some security headers and explicit policies could be improved. Overall, the site is professional, trustworthy, and well-structured, serving a diverse audience including students, enterprises, researchers, and alumni.

Scanned

NIS2 and GDPR posture

GDPR outside view
25/ 100 · Critical
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

8 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 Privacy Policy found

      GDPR requires a clear and accessible privacy policy

      What to do: Add a comprehensive privacy policy page and link to it prominently

    • 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. 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';…

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

Keep watching centralesupelec.fr

This scan found 24 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
52
Security headers
40
Email security
75
DNS health
75
Network security
40
GDPR outside view
25
Average
51

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 institution holds a strong market position as a top-tier Grande Ecole in France, with a large scale and extensive partnerships. Its business model revolves around education, research, and innovation, with additional revenue streams from executive education and entrepreneurial programs. The website's content and linked domains indicate a well-established ecosystem including merchandise, alumni, and foundation sites. Certifications such as CTI and EUR-ACE reinforce credibility. The target audience is broad, encompassing students, professionals, and international collaborators.

Security posture

The website employs HTTPS and uses Matomo analytics with Do Not Track enabled, reflecting a privacy-conscious approach. Cookie consent is managed via Klaro, providing users control over data collection. However, explicit security policies, incident response contacts, and vulnerability disclosure mechanisms are absent. No critical vulnerabilities or exposed sensitive data were detected in the HTML content. Security headers appear minimal or not explicitly declared, suggesting room for enhancement. Overall, the security posture is good but could benefit from formalized policies and additional technical controls.

Recommendations

  1. Implement standard security headers such as Content-Security-Policy, Strict-Transport-Security, and X-Frame-Options to enhance protection against common web attacks.
  2. Publish a dedicated security policy and incident response contact information to improve transparency and readiness.
  3. Add a vulnerability disclosure policy or security.txt file to encourage responsible reporting of security issues.
  4. Regularly audit third-party scripts and dependencies to mitigate risks from external libraries.
  5. Enhance monitoring and logging capabilities to detect and respond to potential security incidents promptly.

Contact details published on the site

Addresses
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
CentraleSupélec
Description
CentraleSupélec is a leading French engineering school combining academic rigor and practical expertise to train responsible leaders of tomorrow. It emphasizes innovation, research excellence, and international partnerships.
Key services
Engineering education (Bachelors, Masters, Doctorates), Research and innovation, Executive education, Entrepreneurship support, Alumni network
Content quality
excellent
Branding
consistent

Technology

Stack
Drupal 10, Font Awesome 6, Matomo Analytics, Klaro Consent Manager, LazySizes (lazy loading images), GTranslate
Frameworks
Drupal CMS
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent management
  • Do Not Track enabled in Matomo
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Matomo
Tracking level
minimal
Privacy practices
good

Advertising

Tracking pixels
Matomo
Marketing tools
Matomo Analytics, GTranslate
Transparency
basic

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.
  2. No WAF or blocking mechanisms detected.
  3. Strong presence of privacy and cookie consent mechanisms.
  4. Clear and professional branding consistent with a top-tier French engineering school.
  5. Multiple official certifications and government affiliations displayed.
  6. No suspicious or malicious content detected.
  7. Social media presence on major platforms.
  8. Use of modern web technologies and analytics with privacy considerations.
Technical notes

Notes

The website is built on Drupal 10 CMS, leveraging modern front-end libraries like Font Awesome 6 and lazy loading for images to optimize performance. It integrates Matomo for analytics with privacy features enabled and uses Klaro for cookie consent management. The site is mobile-optimized and accessible, with good SEO practices including meta tags and structured navigation. Performance is moderate, with potential improvements in caching and resource optimization. Hosting details are not explicit, but no performance bottlenecks or errors are evident. The technical stack is robust and suitable for an educational institution of this scale.
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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