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Security report for brnoid.cz

Brno iD · Government · Czech Republic

Medium risk. 9 critical or high findings in GDPR outside view, Security headers and 1 other check.

Security score

59/100

Risk levelMedium

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

Brno iD is a comprehensive online platform providing a wide range of municipal services for the city of Brno, Czech Republic. It serves over 714,000 registered users, offering services such as public transport ticketing, waste tax payments, family vouchers, and cultural site ticketing. The platform consolidates multiple city services into a single user account, enhancing convenience for residents and visitors. Technically, the website uses modern frontend technologies including jQuery, Bootstrap, and Google reCAPTCHA, and is built on the PrestaShop CMS platform. The site is secured with HTTPS, but lacks some recommended security headers and a cookie consent mechanism, which are areas for improvement. WHOIS data for the domain is unavailable, which slightly impacts trust but the official branding and content quality strongly support legitimacy. Overall, the site demonstrates good digital maturity and a strong security posture with room for enhanced privacy compliance and transparency.

Scanned

This is an earlier scan of brnoid.cz. View the latest report

NIS2 and GDPR posture

GDPR outside view
10/ 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 brnoid.cz

This scan found 24 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
72
Security headers
15
Email security
70
DNS health
85
Network security
100
GDPR outside view
10
Average
59

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 iD occupies a key position as the official digital gateway for Brno city services, targeting residents and tourists. Its business model revolves around providing e-commerce and account management for municipal services, streamlining access to public transport, cultural events, and city administration. The platform benefits from strong city government backing and partnerships with related domains such as the official Brno city website. The high user base indicates strong market penetration. Revenue streams likely include ticket sales, service fees, and possibly partnerships. The ecosystem includes multiple service modules and external partners, reflecting a well-integrated municipal digital infrastructure.

Security posture

The website exhibits a solid security foundation with enforced HTTPS and use of Google reCAPTCHA to protect forms. However, the absence of key security headers such as Content-Security-Policy and X-Frame-Options reduces defense in depth. No vulnerabilities or exposed sensitive data were detected in the HTML content. The lack of published security policies or incident response contacts suggests room for maturity in security governance. GDPR compliance is partially evidenced by a comprehensive privacy policy, but cookie consent mechanisms are missing. Overall, the security posture is good but could be enhanced by implementing recommended headers, transparency documents, and cookie management.

Recommendations

  1. Implement security headers including Content-Security-Policy, X-Content-Type-Options, and X-Frame-Options to improve protection against common web attacks.
  2. Add a cookie consent banner and mechanism to comply fully with GDPR and enhance user privacy transparency.
  3. Publish a dedicated security policy and incident response information to improve trust and preparedness.
  4. Consider adding a vulnerability disclosure policy or security.txt file to facilitate responsible reporting.
  5. Investigate and resolve the lack of WHOIS data to improve domain registration transparency and trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Brno iD
Description
E-shop of city services Brno iD allowing users to manage various municipal services online from a single account.
Key services
Public transport ticketing, Family vouchers, Waste tax payments, Tourist card BRNOPAS, Library services, Zoo tickets and services, Sport services, Observatory tickets, City museum tickets, Residential parking management
Content quality
good
Branding
consistent

Technology

Stack
jQuery 3.7.1, Bootstrap, Google Fonts, Fancybox, jQuery bxSlider, Google reCAPTCHA
Frameworks
Bootstrap
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Google reCAPTCHA for forms

Analytics and tracking

Tracking level
minimal
Privacy practices
basic

Advertising

Tracking pixels
Google reCAPTCHA
Transparency
poor

Site quality

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

Key observations

  1. Website is a comprehensive municipal e-commerce platform for Brno city services.
  2. Content is well structured with clear navigation and multiple service modules.
  3. No WHOIS data available, which is unusual for a government-related domain.
  4. HTTPS and modern frontend libraries used, but security headers are missing.
  5. No explicit privacy cookie banner or consent mechanism detected.
  6. Contact information is available via contact pages but no direct emails or phone numbers found in HTML.
  7. No social media links detected.
  8. No advertising or analytics scripts detected beyond reCAPTCHA.
  9. No vulnerability disclosure or security policy pages found.
Technical notes

Notes

The website is built on PrestaShop CMS with a frontend stack including jQuery 3.7.1, Bootstrap, Fancybox, and bxSlider for UI components. Google Fonts and Google reCAPTCHA are integrated for typography and bot protection respectively. The site is mobile responsive with good navigation clarity and SEO meta tags. Performance is moderate, with asynchronous loading of scripts and optimized images. Accessibility features are basic but present. No major technical debt or deprecated libraries were detected. Hosting provider details are not evident from the HTML content. Overall, the technical infrastructure is modern and well implemented with opportunities for further optimization and security hardening.
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. 56/100Medium33 findingsView report
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