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Security report for mestojablonec.cz

Magistrát města Jablonec nad Nisou · Government · Czech Republic

Medium risk. 6 critical or high findings in GDPR outside view and Security headers.

Security score

70/100

Risk levelMedium

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

The website mestojablonec.cz serves as the official online presence of the city government of Jablonec nad Nisou, Czech Republic. It provides comprehensive information and services for residents and visitors, including city governance, public announcements, event calendars, and citizen support resources. The site targets local citizens and tourists, positioning itself as a trusted municipal information portal. The business model is that of a government service provider, focusing on transparency and accessibility. Technically, the website employs a traditional web stack with jQuery, Google Tag Manager, Google Analytics, and Smartlook for analytics and user behavior tracking. It uses the Public4u CMS platform, which is specialized for municipal websites. The site is mobile-optimized with good navigation and SEO practices, though accessibility features are basic. Performance is moderate, with room for improvement in modernizing the tech stack. From a security perspective, the site enforces HTTPS and implements a cookie consent mechanism, indicating awareness of privacy regulations. However, it lacks visible security headers and explicit security or incident response policies. No vulnerabilities or exposed sensitive data were detected in the analysis. The absence of WHOIS data limits domain trust verification, but the official nature and content quality support legitimacy. Overall, the website is a well-maintained government portal with good content quality and user experience. Security posture is adequate but could be enhanced by adding security headers and formal policies. Privacy compliance is basic but present. The domain's registration status should be verified to strengthen trust. Strategic improvements in security and transparency will further solidify the site's credibility and user trust.

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

6 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

    • 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

  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 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 mestojablonec.cz

This scan found 19 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

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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
85
Security headers
40
Email security
85
DNS health
85
Network security
100
GDPR outside view
25
Average
70

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 city government of Jablonec nad Nisou operates this website as a primary communication and service channel for its constituents. The site reflects a stable market position as an official municipal portal, offering essential public services and information. Competitive advantages include localized content, multi-language support, and integration with social media platforms. Revenue streams are typical for government entities, relying on public funding rather than commercial sales. Target customers are residents, local businesses, and visitors seeking city-related information. Growth indicators include regular content updates and event promotion. Partnerships with local organizations and service providers are evident through linked domains. The website supports strategic goals of transparency, citizen engagement, and digital service delivery.

Security posture

The website demonstrates a moderate security maturity level with HTTPS enforced and cookie consent implemented, aligning with GDPR requirements. However, the absence of key security headers such as Content-Security-Policy and X-Frame-Options represents a gap that could expose the site to certain web-based attacks. No explicit incident response or vulnerability disclosure policies were found, which limits preparedness for security incidents. Data protection practices appear basic but compliant, with no exposed sensitive information detected. The use of third-party analytics tools introduces moderate tracking but is managed with user consent. Overall, the security posture is adequate for a government informational site but would benefit from enhanced security controls and transparency.

Recommendations

  1. Implement comprehensive HTTP security headers including Content-Security-Policy, X-Content-Type-Options, X-Frame-Options, and Strict-Transport-Security to mitigate common web vulnerabilities.
  2. Publish a clear security policy and incident response contact information to improve transparency and readiness.
  3. Establish a vulnerability disclosure program or security.txt file to encourage responsible reporting of security issues.
  4. Regularly audit and update third-party libraries and analytics tools to minimize security risks.
  5. Verify and update WHOIS domain registration information to enhance domain legitimacy and trust.

Contact details published on the site

Addresses
Legal name
Magistrát města Jablonec nad Nisou
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Magistrát města Jablonec nad Nisou
Description
Official municipal website providing information and services related to the city of Jablonec nad Nisou, including city governance, public services, events, news, and citizen resources.
Key services
City governance information, Public announcements and news, Event calendar, Citizen services and life situations, Contact information and support
Content quality
good
Branding
consistent

Technology

Stack
jQuery, jQuery UI, Google Tag Manager, Google Analytics, Smartlook
Frameworks
Public4u CMS
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism implemented

Analytics and tracking

Services
Google Analytics, Smartlook
Tracking level
moderate
Privacy practices
basic

Advertising

Tracking pixels
Smartlook
Marketing tools
Smartlook
Transparency
basic

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 in Czech language with multi-language support links.
  3. Official municipal website with comprehensive citizen services and information.
  4. Uses standard web technologies and tracking tools.
  5. No explicit privacy or security policy pages found except basic privacy and cookie information.
  6. WHOIS data unavailable, limiting domain trust assessment.
  7. Good mobile optimization and user experience.
  8. No signs of adult or questionable content.
Technical notes

Notes

The website uses a legacy but stable technology stack centered around jQuery and the Public4u CMS platform, which is tailored for municipal websites. Analytics and user behavior tracking are implemented via Google Analytics, Google Tag Manager, and Smartlook, indicating a focus on performance monitoring and user experience optimization. The site is mobile responsive with good SEO metadata and Open Graph tags for social sharing. However, the absence of modern JavaScript frameworks and limited accessibility features suggest opportunities for modernization. Performance is moderate, with potential improvements in load times and resource optimization. The hosting provider is not explicitly identified, and no advanced cloud or CDN services were detected. Overall, the technical infrastructure supports the site's functional requirements but could benefit from modernization and enhanced security configurations.
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

Earlier scans of this domain

  1. 71/100Medium26 findingsView report
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