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Security report for brno-lisen.cz

Městská část Brno-Líšeň · Government · Czech Republic

High risk. 9 critical or high findings in GDPR outside view, Security headers and 2 other checks.

Security score

42/100

Risk levelHigh

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

The website www.brno-lisen.cz serves as the official online portal for the municipal district of Brno-Líšeň in the Czech Republic. It provides comprehensive information about local government services, social programs, housing, cultural events, and citizen engagement opportunities. The site targets residents and visitors seeking municipal information and services, positioning itself as a trusted government resource. Technically, the site employs modern web technologies including jQuery, Bootstrap, Google Tag Manager, and a custom CMS likely based on the Nette Framework. It is mobile-optimized and includes accessibility features, with a moderate performance profile. Security-wise, the site uses HTTPS and implements email obfuscation and cookie consent mechanisms, though it could improve by adding explicit security headers and publishing incident response policies. The absence of WHOIS data is notable but does not detract from the site's legitimacy given its official content and domain. Overall, the site demonstrates a good balance of usability, compliance, and security for a government portal.

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

9 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

  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 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';…

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

Keep watching brno-lisen.cz

This scan found 27 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
47
Security headers
15
Email security
70
DNS health
75
Network security
20
GDPR outside view
25
Average
42

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

Brno-Líšeň is a municipal government entity providing essential public services and information to its community. The website reflects a government business model focused on transparency, citizen services, and community engagement. Key services include social assistance, housing management, official announcements, and cultural programming. The site supports resident interaction through contact forms and feedback mechanisms. The parent organization is the statutory city of Brno. The portal's market position is that of a local government authority website, with no commercial revenue streams but a focus on public service delivery. The presence of official contact details, legal identifiers, and consistent branding supports credibility and trust. The site also integrates with partner domains such as the city of Brno and municipal police, indicating a collaborative ecosystem.

Security posture

The website exhibits a moderate to good security posture. HTTPS is enforced, and email addresses are obfuscated to reduce spam risks. Cookie consent is implemented with granular user controls, aligning with GDPR requirements. However, the site lacks explicit security headers like Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options, which are recommended to mitigate common web vulnerabilities. There is no visible security policy or vulnerability disclosure program, which could enhance transparency and incident readiness. No vulnerabilities or exposed sensitive data were detected in the HTML content. The site would benefit from regular security audits and improved header configurations to strengthen defenses.

Recommendations

  1. Implement explicit security headers such as 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 vulnerability disclosure program to improve transparency and encourage responsible reporting.
  3. Regularly update all third-party libraries and frameworks to their latest secure versions to mitigate known vulnerabilities.
  4. Enhance visibility of incident response contacts or channels to improve readiness and user trust.
  5. Conduct periodic security assessments and penetration testing to proactively identify and remediate risks.

Contact details published on the site

Addresses
Legal name
Městská část Brno-Líšeň
Registration number
44992785
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Městská část Brno-Líšeň
Description
Official website of the municipal district Brno-Líšeň providing information about local government, services, news, events, and public administration.
Key services
Public administration information, Social services, Housing and property management, Cultural events and news, Citizen engagement and feedback, Electronic official board, Contact and support services
Content quality
good
Branding
consistent

Technology

Stack
jQuery, Bootstrap 4.1.3, Google Tag Manager, Google Analytics, FontAwesome, Nette Framework (JS), Isotope, Malihu Custom Scrollbar, CookieConsent plugin
Frameworks
Nette Framework
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Email obfuscation to prevent scraping
  • Cookie consent with granular controls
  • Use of Google Tag Manager with consent management

Analytics and tracking

Services
Google Analytics
Tracking level
moderate
Privacy practices
good

Advertising

Transparency
good

Site quality

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

Key observations

  1. Website is a well-structured official municipal government portal for Brno-Líšeň district.
  2. Content is comprehensive, covering local government services, news, events, and contact information.
  3. Strong privacy and cookie consent mechanisms are implemented.
  4. No WHOIS data available, which is unusual but does not necessarily indicate malicious intent.
  5. No signs of adult or questionable content.
  6. Use of modern web technologies and frameworks.
  7. Security headers could be improved.
  8. No visible security incident response or vulnerability disclosure information.
Technical notes

Notes

The website is built on a custom CMS likely leveraging the Nette Framework, combined with popular frontend libraries such as jQuery and Bootstrap 4.1.3. It integrates Google Tag Manager and Google Analytics for tracking and analytics. The site uses FontAwesome for icons and includes various JavaScript plugins for UI enhancements like modals, lazy loading, and isotope layouts. Performance is moderate with some optimization potential. Mobile responsiveness and accessibility are well addressed. The site uses a cookie consent plugin with detailed category controls, reflecting good privacy awareness. Hosting provider details are not explicitly found. Overall, the technical infrastructure is modern and functional but could benefit from performance tuning 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

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