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Security report for ensta-bretagne.fr

ENSTA Bretagne · Education · France

Medium risk. 6 critical or high findings in GDPR outside view and Security headers.

Security score

58/100

Risk levelMedium

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

ENSTA Bretagne is a reputable French engineering school specializing in advanced technologies for defense, maritime, and high-tech industries. It offers a range of educational programs including engineering degrees, masters, specialized masters, and doctoral studies. The institution maintains strong partnerships with government defense bodies and leading industry players, reinforcing its market position as a Grande École with a focus on innovation and applied research. Technically, the website is built on Drupal 10 with modern JavaScript libraries and includes a cookie consent mechanism compliant with GDPR. However, the site suffers from critical security shortcomings, notably the absence of SSL/TLS encryption, which severely impacts its security posture. Performance is suboptimal with slow load times, though mobile optimization and content quality are good. Security-wise, the lack of HTTPS and security headers exposes the site to risks and undermines user trust. Privacy compliance is well addressed with clear policies and consent mechanisms. Overall, the site is professional and trustworthy but requires urgent security improvements to protect user data and institutional reputation. Strategic recommendations include immediate implementation of valid SSL certificates, enhancement of security headers, and performance optimization to improve user experience and security compliance.

Scanned

NIS2 and GDPR posture

GDPR outside view
0/ 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

6 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

    • 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 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 ensta-bretagne.fr

This scan found 15 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
50
Security headers
65
Email security
50
DNS health
85
Network security
100
GDPR outside view
0
Average
58

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

ENSTA Bretagne operates as a public higher education institution under the Institut Polytechnique de Paris, targeting engineering students, researchers, and industry partners. Its business model revolves around education, research, and industry collaboration, with revenue streams likely from public funding, tuition, and partnerships. The school holds multiple certifications and labels that enhance its credibility and attractiveness to international students. Its extensive partner network includes government defense agencies and major industrial corporations, positioning it strongly in the education and defense technology sectors. Growth indicators include recent institutional mergers and active research projects. The website reflects a mature digital presence but reveals opportunities for modernization and security hardening.

Security posture

The website's security posture is currently weak due to the absence of HTTPS, lack of security headers, and no advanced SSL configurations. While no immediate vulnerabilities like malware or phishing indicators were detected, the missing encryption exposes all data transmissions to interception and manipulation risks. The cookie consent mechanism and privacy policy indicate awareness of GDPR requirements, but the lack of incident response information and security policies suggests limited preparedness for security incidents. The institution should prioritize securing its web infrastructure to safeguard sensitive academic and personal data and maintain compliance with regulatory standards.

Recommendations

  1. Implement a valid SSL/TLS certificate and enforce HTTPS site-wide immediately.
  2. Configure and deploy essential security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  3. Enable HSTS with includeSubDomains and preload options to prevent protocol downgrade attacks.
  4. Optimize website performance to reduce load times and improve user experience.
  5. Publish clear security policies and incident response procedures accessible from the website.

Contact details published on the site

Addresses
Technical notes

Notes

The website is powered by Drupal 10 CMS, leveraging JavaScript libraries like Swiper for UI components and Tarteaucitron for cookie consent management. It uses Matomo for analytics, indicating a preference for privacy-respecting tools. Hosting is managed via produhost.net as inferred from DNS records. Despite modern CMS and frameworks, the site suffers from slow load times and lacks HTTPS, which is a critical technical debt. The absence of DNSSEC and CAA records further indicates potential DNS security improvements. The site is mobile-optimized and SEO-friendly with comprehensive metadata and structured data, but technical security enhancements are urgently needed to mitigate risks.
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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