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Security report for metropole-dijon.fr

Dijon métropole · Government · France

Medium risk. 6 critical or high findings in Security headers, GDPR outside view and 2 other checks.

Security score

51/100

Risk levelMedium

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

Dijon métropole is the official metropolitan government entity serving Dijon and its 23 associated communes in France. The website provides comprehensive information and services related to urban planning, environmental quality, transportation, housing, social services, and citizen participation. It positions itself as a high-quality environmental metropolitan authority with a focus on community engagement and sustainable development. The site targets residents, local businesses, and stakeholders within the metropolitan area. Technically, the website is built on WordPress with a modern technology stack including Yoast SEO for optimization, Matomo for privacy-conscious analytics, and various JavaScript libraries for enhanced user experience such as Leaflet for mapping and AOS for animations. The site is mobile-optimized, accessible, and SEO-friendly, with a cookie consent mechanism that complies with GDPR requirements. From a security perspective, the site enforces HTTPS and uses cookie consent tools to manage user privacy. However, it lacks explicit security headers and does not publish a security policy or incident response contact information. The WHOIS data is not publicly available, which reduces transparency but is not uncommon for government domains. No vulnerabilities or suspicious content were detected. Overall, Dijon métropole's website demonstrates a solid digital presence with good content quality and technical implementation. Strategic improvements in transparency around privacy policies, security disclosures, and WHOIS data would enhance trust and compliance further.

Scanned

NIS2 and GDPR posture

GDPR outside view
68/ 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

6 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 Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

  3. SSL/TLS

    TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.

    • High

      Weak Protocols Supported

      Server supports weak protocols: TLSv1.1

      What to do: Disable TLS 1.0, TLS 1.1, and all SSL versions

      • CWE-327
      • OWASP A04:2025
      • ASVS V12.1.1

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

Keep watching metropole-dijon.fr

This scan found 26 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
62
Security headers
25
Email security
70
DNS health
60
Network security
20
GDPR outside view
68
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

Breach exposure

Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.

Dark web exposure

Add-on

Leaked records that mention metropole-dijon.fr, from OffSeq Breach.

Total records
187
Employees
0
Customers
174
Third parties
13
Weak passwords
3%

9 subdomains affected

See the 10 newest leaked credentials

A one-off add-on to this report that lists the most recent identifier and password pairs OffSeq Breach holds for metropole-dijon.fr.

Select it in the checkout above.

Breach keeps ingesting new leaks, so these numbers can grow between scans.

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

Dijon métropole operates as a local government authority with a broad portfolio of public services including economic development, environmental stewardship, urban planning, and social programs. Its market position is that of a key regional public sector entity with a mandate to serve residents and local stakeholders. The business model is publicly funded and focused on service delivery rather than commercial revenue. The website supports citizen engagement and information dissemination, indicating a mature digital communication strategy. Partnerships with mapping services and social media platforms enhance its outreach. Growth indicators include active updates and comprehensive service coverage. The absence of commercial advertising and affiliate programs aligns with its government status.

Security posture

The website maintains a good security posture with mandatory HTTPS and a cookie consent mechanism that respects user privacy. The use of Matomo analytics reflects a preference for privacy-friendly tools. However, the absence of security headers such as Content-Security-Policy and lack of published security or incident response policies represent gaps in security maturity. No exposed sensitive data or vulnerable libraries were detected in the HTML content. The WHOIS data unavailability is a transparency concern but not necessarily a security risk. Overall, the site is secure for general public use but could benefit from enhanced security disclosures and technical headers.

Recommendations

  1. Implement and configure security headers including Content-Security-Policy, X-Content-Type-Options, and X-Frame-Options to harden the site against common web attacks.
  2. Publish a clear privacy policy and terms of service pages accessible from the homepage to improve compliance and user trust.
  3. Create and maintain a security policy or incident response page with contact information for reporting security issues.
  4. Consider publishing a security.txt file to facilitate responsible vulnerability disclosure.
  5. Review and update third-party scripts and plugins regularly to mitigate potential vulnerabilities.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Dijon métropole
Description
Dijon métropole, viticole et gourmande, métropole à haute qualité environnementale, qui fédère 23 communes.
Key services
Economic attractiveness, Biodiversity, Waste management, Transportation, Water and sanitation, Higher education support, Housing, Noise measurement, Employment offers, Citizen participation
Content quality
good
Branding
consistent

Technology

Stack
WordPress, Yoast SEO plugin, jQuery, Matomo analytics, Leaflet (mapping), AOS (Animate on Scroll), Jarallax (parallax), Fancybox, Mmenu-js, Nova Cookies plugin, Tarteaucitron (cookie consent)
Platforms
WordPress
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent banner with granular controls
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Matomo
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Matomo
Transparency
basic

Site quality

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

Key observations

  1. Website is a French metropolitan government site for Dijon and its 23 communes.
  2. Content is comprehensive and well-structured with multiple service areas.
  3. Uses WordPress CMS with modern plugins and analytics.
  4. Cookie consent is implemented with granular user control.
  5. No privacy policy or terms of service explicitly found in the scanned content.
  6. WHOIS data is not publicly available, limiting domain transparency.
  7. No security.txt or incident response contact found.
  8. Social media presence is official and consistent.
  9. No adult or questionable content detected.
  10. HTTPS is enforced and analytics use Matomo, a privacy-focused tool.
Technical notes

Notes

The website is built on WordPress CMS, leveraging popular plugins such as Yoast SEO for search engine optimization and Nova Cookies for cookie management. It uses jQuery and several JavaScript libraries for enhanced UI/UX including Leaflet for interactive maps and AOS for scroll animations. The site loads CSS and JS assets asynchronously to improve performance. The presence of Matomo analytics indicates a focus on privacy-conscious data collection. The site is mobile responsive and includes accessibility features such as skip links and ARIA roles. Performance is moderate with room for optimization. The hosting provider is not explicitly identified. Overall, the technical infrastructure is modern and well-maintained with opportunities for further security hardening and performance tuning.
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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