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Security report for siegburg.de

Kreisstadt Siegburg · Government · Germany

Medium risk. 3 critical or high findings in GDPR outside view and SSL/TLS.

Security score

74/100

Risk levelMedium

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

The website siegburg.de is the official online presence of the Kreisstadt Siegburg, a municipal government entity in Germany. It provides comprehensive information and digital services to residents and visitors, including service portals, issue reporting, council information, event calendars, and citizen engagement platforms. The site is well-structured and targets local citizens and stakeholders, emphasizing accessibility and user-friendly navigation. The business model is typical for a government portal, focusing on public service delivery and community engagement.

Scanned

NIS2 and GDPR posture

GDPR outside view
48/ 100 · High
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

3 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 Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

  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 siegburg.de

This scan found 20 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.

Daily monitoring

Recommended

€25per month

  • 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
85
Email security
70
DNS health
65
Network security
100
GDPR outside view
48
Average
74

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

Siegburg.de positions itself as a key digital interface for municipal services, leveraging modern web technologies and a dedicated CMS (ionas4). The site integrates multiple subdomains and external services for specialized functions such as online appointments, chatbots, and virtual city maps. The presence of official logos, structured data, and consistent branding reinforces its credibility. The portal supports transparency and citizen participation through livestreams and public information dissemination. Partnerships with entities like Deutsche Telekom and use of open data platforms indicate a collaborative ecosystem.

Security posture

The site enforces HTTPS and employs Google invisible reCAPTCHA for bot mitigation, indicating a baseline security posture. However, explicit security headers such as Content Security Policy or HSTS are not detected, and no public security or incident response policies are published. The absence of a vulnerability disclosure or security.txt file limits transparency in security management. Cookie consent mechanisms are implemented, supporting GDPR compliance to some extent. Overall, the security posture is adequate but could be enhanced with formal policies and additional technical controls.

Recommendations

  1. Publish a comprehensive privacy policy detailing GDPR compliance and data handling practices.
  2. Implement and advertise a security policy and incident response plan accessible to users.
  3. Add security headers like CSP, HSTS, and X-Frame-Options to improve defense-in-depth.
  4. Provide a vulnerability disclosure policy or security.txt file to encourage responsible reporting.
  5. Include contact information for the Data Protection Officer to enhance trust and compliance.

Contact details published on the site

Addresses
Legal name
Kreisstadt Siegburg
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Kreisstadt Siegburg
Description
Offizieller Internetauftritt der Kreisstadt Siegburg, bietet Informationen zu Dienstleistungen, Verwaltung, Veranstaltungen, Bürgerservice und aktuellen Themen.
Key services
Serviceportal A-Z, Mängelmelder (Issue reporting), Ratsinformationsportal (Council information), Online services and appointments, Livestreams of council meetings, Newsletter, Public participation platforms
Content quality
good
Branding
consistent

Technology

Stack
JavaScript, SystemJS, Vue.js (vue-grid-layout), Glide.js (slider), Axios, Matomo Analytics
Frameworks
CMS ionas4
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • Use of invisible reCAPTCHA
  • Cookie consent mechanism present

Analytics and tracking

Services
Matomo
Tracking level
moderate
Privacy practices
basic

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 official city government portal for Siegburg, Germany
  2. Content is rich with municipal services, news, events, and citizen engagement tools
  3. No privacy policy page explicitly found, but cookie consent is implemented
  4. No explicit security or incident response policies published
  5. Use of modern JavaScript frameworks and CMS ionas4
  6. Good mobile and accessibility support
  7. No signs of malicious or adult content
  8. WHOIS data consistent and domain appears legitimate
Technical notes

Notes

The website uses a modern technology stack including ionas4 CMS, Vue.js components, SystemJS module loader, and Matomo analytics for user tracking. The site is mobile-optimized and accessible, with good SEO metadata and structured data (JSON-LD) for enhanced search engine understanding. Performance is moderate, with multiple preloaded fonts and scripts. The infrastructure appears stable and professionally managed, though hosting provider details are not explicit. Opportunities exist to optimize loading times and enhance security headers for improved resilience.
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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