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Security report for stadt-muenster.de

Stadt Münster · Government · Germany

Low risk. 2 critical or high findings in Security headers and SSL/TLS.

Security score

77/100

Risk levelLow

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

Stadt Münster operates an official municipal government website providing comprehensive information and services to residents, visitors, and businesses. The site offers online administrative services, event calendars, tourism information, and public announcements, positioning itself as a key digital portal for the city of Münster in Germany. The website is well-branded, professionally designed, and targets a broad audience including citizens and tourists. Technically, the website is built on TYPO3 CMS, a robust open-source content management system, and employs modern web technologies including JavaScript and Matomo for analytics. The site is mobile-optimized, accessible, and SEO-friendly, with a clear navigation structure and multi-language support. Cookie consent management is implemented via Consentmanager, ensuring GDPR compliance. From a security perspective, the site enforces HTTPS and uses cookie consent mechanisms to protect user privacy. However, it lacks explicit security headers and a published security policy or incident response contact, which are recommended for enhanced security posture. No vulnerabilities or suspicious activities were detected in the analyzed content. Overall, Stadt Münster's website demonstrates a strong digital presence with high content quality, good technical implementation, and solid privacy compliance. Strategic improvements in security headers and incident response transparency could further enhance trust and resilience.

Scanned

NIS2 and GDPR posture

GDPR outside view
100/ 100 · Low
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

2 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 X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

  2. 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 stadt-muenster.de

This scan found 20 issues across 5 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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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
77
Security headers
55
Email security
60
DNS health
70
Network security
100
GDPR outside view
100
Average
77

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 stadt-muenster.de, from OffSeq Breach.

Total records
82
Employees
0
Customers
75
Third parties
7
Weak passwords
10%

10 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 stadt-muenster.de.

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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

Stadt Münster is positioned as a government entity providing essential public services through its digital platform. Its competitive advantage lies in comprehensive online services, multi-language support, and integration with social media channels. The business model focuses on public service delivery rather than revenue generation. The target customer segments include local residents, businesses, tourists, and public service users. Growth indicators include continuous expansion of online services and digital engagement. The partnership ecosystem includes technology providers like TYPO3 and Consentmanager. The website reflects a mature operation with consistent branding and professional content.

Security posture

The website exhibits a moderate to strong security maturity level with HTTPS enforcement and GDPR-compliant cookie consent. The absence of security headers such as Content-Security-Policy and lack of a published security policy or incident response contact represent gaps in compliance and readiness. No exposed sensitive data or vulnerable libraries were found. The site does not currently publish a security.txt file or vulnerability disclosure policy, limiting transparency for security researchers. Overall, the security posture is adequate for a government website but could be improved by adopting additional best practices and formal incident response mechanisms.

Recommendations

  1. Implement HTTP security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to enhance protection against common web attacks.
  2. Publish a clear security policy and provide dedicated incident response contact channels (e.g., security@ or abuse@ email addresses).
  3. Add a security.txt file to facilitate responsible vulnerability disclosure and improve transparency.
  4. Regularly audit third-party scripts and libraries to ensure no vulnerabilities are introduced.
  5. Enhance accessibility and mobile optimization testing to maintain excellent user experience across devices.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Stadt Münster
Description
Official website of the city of Münster providing information about city administration, services, events, and local news.
Key services
Online services for citizens, Information about city administration, Event calendar, Tourism information, Public announcements and news
Content quality
excellent
Branding
consistent

Technology

Stack
TYPO3 CMS, JavaScript, Matomo Analytics, Consentmanager cookie consent
Frameworks
TYPO3 CMS
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent with opt-in/out
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Matomo
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Matomo
Marketing tools
Consentmanager cookie consent
Transparency
good

Site quality

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

Key observations

  1. Website uses TYPO3 CMS, a well-known open source CMS.
  2. Cookie consent banner is implemented with detailed user options and third-party vendor disclosures.
  3. Multiple language options available with automatic translation disclaimers.
  4. Social media presence is extensive and includes LinkedIn, Instagram, Facebook, Threads, Bluesky, and YouTube.
  5. Content is rich, well-structured, and professionally presented.
  6. No signs of phishing, malware, or suspicious activity detected.
  7. No explicit security.txt or incident response contact found.
  8. No direct phone numbers or emails explicitly labeled in the provided content.
  9. Privacy and cookie policies are comprehensive and accessible.
  10. No advertising networks detected beyond Matomo analytics and consent manager scripts.
Technical notes

Notes

The website is built on TYPO3 CMS, leveraging modern web standards and JavaScript frameworks. It uses Matomo for privacy-friendly analytics and Consentmanager for cookie consent management. The site is well-structured with responsive design and multi-language support. Performance is moderate, with potential for optimization in asset delivery and caching. The technical stack is stable and widely supported, minimizing technical debt. Hosting details are not explicit but DNS and WHOIS data indicate a consistent and legitimate setup. Opportunities exist to improve security headers and implement advanced performance optimizations.
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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