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Security report for summerschoolcentralesupelec.fr

CentraleSupélec · Education · France

Medium risk. 9 critical or high findings in GDPR outside view, Security headers and 1 other check.

Security score

54/100

Risk levelMedium

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

CentraleSupélec is a prestigious French engineering school offering specialized summer school programs focused on Artificial Intelligence and Digital Transformation & Industry 4.0. The website presents detailed program information, registration options, and cultural activities, targeting students and professionals seeking advanced engineering education. The institution has a strong international presence and academic reputation, supported by partnerships and overseas campuses. Technically, the website is built on WordPress with the Divi theme and several plugins, providing a modern and responsive user experience. Security posture is solid with HTTPS and privacy mechanisms, though some security headers and incident response information are missing. WHOIS data is unavailable, which limits domain transparency but the website content and social media presence support legitimacy. Overall, the site is professional, secure, and well-structured, suitable for its educational purpose.

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

9 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

  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 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';…

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

Keep watching summerschoolcentralesupelec.fr

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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
15
Email security
70
DNS health
60
Network security
100
GDPR outside view
25
Average
54

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 positions CentraleSupélec as a leading educational institution in engineering with a focus on innovation and international outreach. The summer school programs serve as a revenue stream and brand extension, attracting global students. The business model relies on academic fees and credit offerings. The presence of official social media and partner domains indicates a well-established ecosystem. Growth potential is supported by the relevance of AI and Industry 4.0 topics. The website content and navigation are clear, supporting user engagement and conversion. The lack of direct contact emails or phone numbers suggests reliance on web forms for communication. The domain's WHOIS privacy reduces transparency but is common for educational institutions.

Security posture

The website employs HTTPS with a valid SSL certificate, ensuring encrypted communications. Google Analytics is used with an opt-out mechanism, reflecting moderate privacy awareness. However, the absence of key security headers such as Content-Security-Policy and Strict-Transport-Security is a gap. No exposed sensitive data or vulnerable libraries were detected in the HTML content. The site lacks a published security policy or incident response contacts, which could improve trust and readiness. Overall, the security posture is good but could be enhanced with additional headers and transparency measures.

Recommendations

  1. Implement comprehensive security headers including Content-Security-Policy, X-Content-Type-Options, X-Frame-Options, and Strict-Transport-Security.
  2. Publish a clear security policy and incident response contact information to improve transparency and trust.
  3. Regularly audit and update WordPress core and plugins to mitigate vulnerabilities.
  4. Enhance accessibility features to meet compliance standards and improve user experience.
  5. Consider adding a security.txt file and vulnerability disclosure program to encourage responsible reporting.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
CentraleSupélec
Description
CentraleSupélec is one of France’s most prestigious engineering schools with a focus on fundamental and applied sciences and innovation. It has a strong international presence with overseas campuses, international students, and partnerships. The summer school programs focus on Artificial Intelligence and Digital Transformation & Industry 4.0.
Key services
Summer school programs in Artificial Intelligence, Summer school programs in Digital Transformation and Industry 4.0, Academic credits (ECTS), Cultural and social activities
Content quality
good
Branding
consistent

Technology

Stack
WordPress, Divi Theme, jQuery, Google Fonts, Google Analytics (ExactMetrics plugin), Jetpack, Sticky Menu or Anything on Scroll plugin, Noo Timetable plugin
Frameworks
WordPress
Platforms
WordPress CMS
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Use of Google Analytics with opt-out mechanism

Analytics and tracking

Services
Google Analytics
Tracking level
moderate
Privacy practices
basic

Advertising

Tracking pixels
Jetpack Stats
Marketing tools
Google Analytics by ExactMetrics
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenges.
  2. Content is focused on educational summer school programs in AI and Industry 4.0.
  3. No direct company contact emails or phone numbers found on the main page; contact likely via form.
  4. Use of HTTPS and Google Analytics with opt-out indicates moderate privacy awareness.
  5. WHOIS data is unavailable, which reduces transparency but does not necessarily indicate malicious intent.
  6. Cookie and privacy policies are present with consent mechanisms.
  7. No visible security.txt or incident response contacts.
  8. Website uses a modern WordPress theme (Divi) and several plugins for functionality.
  9. Social media presence on Facebook and Twitter (X) is confirmed.
  10. No adult or questionable content detected.
Technical notes

Notes

The website is built on WordPress CMS using the Divi theme, supported by plugins for analytics, timetable management, and sticky menus. It uses modern web fonts and asynchronous script loading for performance. The site is mobile optimized with responsive design and good navigation clarity. Performance is moderate, with potential improvements in caching and script optimization. The use of Google Analytics and Jetpack indicates integration with common marketing and tracking tools. No critical technical debt or outdated libraries were detected, but security headers and accessibility could be improved. Hosting provider details are not explicit from the content.
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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