Ville de Metz · Government · France
Medium risk. 5 critical or high findings in Security headers, GDPR outside view and 2 other checks.
The website metz.fr serves as the official digital portal for the Ville de Metz, providing residents and visitors with comprehensive information about city services, events, public policies, and cultural activities. It holds a strong market position as the authoritative source for municipal information in Metz, France. The site targets a broad audience including local citizens, tourists, and stakeholders interested in city governance and community engagement. Key services include news updates, event calendars, administrative procedures, and social support information. Technically, the website employs modern JavaScript libraries such as Swiper.js for UI components, Matomo for privacy-conscious analytics, and Google Custom Search for site search functionality. The cookie consent mechanism is implemented using tarteaucitron.js with high privacy settings, reflecting good compliance with GDPR. The site is mobile-optimized and presents a professional design with clear navigation, although accessibility features are basic. From a security perspective, the site enforces HTTPS and uses privacy-respecting analytics without setting cookies by default. However, no explicit security headers were detected in the HTML content, and there is no published security policy or incident response contact information. No vulnerabilities or exposed sensitive data were found. Overall, the security posture is good but could be improved by adding security headers and formalizing security policies. The overall risk assessment is low, with the site demonstrating strong legitimacy, consistent branding, and compliance with privacy regulations. Strategic recommendations include enhancing security transparency, improving accessibility, and publishing incident response and vulnerability disclosure information to further strengthen trust and security culture.
Scanned
NIS2 Art. 21(2)
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.
5 findings rated critical or high. Fix these first.
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.
Prevents clickjacking attacks
What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"
Controls resources the browser is allowed to load
What to do: Implement a Content-Security-Policy appropriate for your application
These are the privacy signals visitors and data protection authorities look for under GDPR.
GDPR requires explicit consent for non-essential cookies
What to do: Implement a cookie consent banner that appears on first visit
SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.
DKIM selector 'dkim' uses 728-bit key
What to do: Use at least 2048-bit RSA keys for DKIM
TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.
Server supports weak protocols: TLSv1.1
What to do: Disable TLS 1.0, TLS 1.1, and all SSL versions
Need hands-on remediation? Email guard@offseq.com
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Each check with its score, findings and the evidence it collected.
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
Not counted
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.
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
Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.
Leaked records that mention metz.fr, from OffSeq Breach.
18 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 metz.fr.
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Breach keeps ingesting new leaks, so these numbers can grow between scans.
Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.
Automated reading of the public site. Ratings are indicative.
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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