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Security report for uoou.cz

Úřad pro ochranu osobních údajů · Government · Czech Republic

Medium risk. 6 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

Úřad pro ochranu osobních údajů is the Czech Republic's official government authority responsible for overseeing personal data protection and privacy compliance. The website serves as a comprehensive portal for public information, regulatory guidance, and news related to data protection laws, including GDPR. It targets both the general public and professionals, providing resources, contact information, and updates on regulatory activities. The site is professionally designed, mobile-optimized, and demonstrates strong adherence to privacy compliance standards. Technically, the website is built on the simploCMS platform, utilizing modern web technologies such as HTML5, CSS3, and JavaScript. It features secure HTTPS connections and employs CAPTCHA on forms to prevent abuse. While performance is moderate, the site is accessible and SEO-friendly with proper metadata and structured data. However, some security best practices like HTTP security headers and a published security.txt file are missing. From a security perspective, the site shows a solid posture with encrypted communications and secure form handling. No vulnerabilities or exposed sensitive data were detected in the HTML content. The absence of WHOIS data is unusual but likely due to CZ NIC registry policies rather than malicious intent. Overall, the site is trustworthy and authoritative, though it could improve transparency around incident response and security disclosures. Strategically, the site effectively supports the Czech government's data protection mandate, providing clear communication channels and educational resources. Enhancing security headers and publishing vulnerability disclosure information would further strengthen its security posture and user trust.

Scanned

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

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

    • High

      Third-party services without privacy policy

      Detected services: Twitter

      What to do: Document all third-party data sharing in your privacy policy

  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"

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

Keep watching uoou.cz

This scan found 18 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.

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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
100
Security headers
80
Email security
70
DNS health
60
Network security
20
GDPR outside view
25
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

The Úřad pro ochranu osobních údajů holds a critical regulatory role within the Czech government, overseeing data privacy and protection compliance nationally. Its market position is that of a trusted government authority with enforcement powers under GDPR and related laws. The business model is non-commercial, focused on public service and regulatory oversight. Revenue streams are government-funded, with no commercial transactions on the site. The target customers include citizens, businesses, public institutions, and data protection professionals. The website reflects a mature digital presence with regular updates, multilingual support, and clear navigation. Partnerships appear limited to technology providers like simploCMS. Growth indicators include active engagement in international data protection forums and ongoing public education initiatives. The site’s professional design and comprehensive content support its authoritative market presence.

Security posture

The website demonstrates a mature security posture with mandatory HTTPS encryption and secure form handling including CAPTCHA to mitigate automated abuse. No signs of exposed credentials, vulnerable libraries, or insecure scripts were found. However, the absence of HTTP security headers such as Content Security Policy (CSP), X-Frame-Options, and HSTS reduces defense-in-depth. There is no visible security.txt file or dedicated incident response contact, which limits transparency for vulnerability reporting. GDPR compliance is well addressed with clear privacy and cookie policies. The site does not appear to use extensive tracking or analytics, minimizing privacy risks. Overall, the security maturity is good but could be enhanced by adopting additional HTTP headers and publishing vulnerability disclosure information to improve incident response readiness and user trust.

Recommendations

  1. Implement comprehensive HTTP security headers including CSP, HSTS, X-Frame-Options, and X-Content-Type-Options to strengthen browser security.
  2. Publish a security.txt file at the root domain to provide clear vulnerability disclosure and incident response contacts.
  3. Add explicit incident response and abuse contact information on the website to improve transparency and trust.
  4. Regularly audit third-party scripts and CMS components to ensure no vulnerable libraries are introduced.
  5. Enhance website performance optimization to improve loading speed and user experience, especially on mobile devices.

Contact details published on the site

Addresses
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Úřad pro ochranu osobních údajů
Description
Úřad pro ochranu osobních údajů is a Czech government authority responsible for personal data protection and privacy oversight in the Czech Republic.
Key services
Data protection oversight, Information rights enforcement, Public guidance and education, International cooperation on data privacy
Content quality
excellent
Branding
consistent

Technology

Stack
HTML5, CSS3, JavaScript, SVG, simploCMS
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Secure forms with CAPTCHA
  • No exposed sensitive data in HTML

Analytics and tracking

Tracking level
minimal
Privacy practices
excellent

Advertising

Transparency
poor

Site quality

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

Key observations

  1. Website is fully accessible with rich content and navigation
  2. Professional government site focused on data protection
  3. No signs of malware or phishing
  4. No visible security.txt or incident response contacts
  5. WHOIS data unavailable, which is atypical but not necessarily suspicious for CZ domains
  6. Good GDPR and privacy compliance indicators
  7. No advertising or tracking scripts detected
  8. Uses a custom CMS (simploCMS)
  9. Mobile optimized and accessible
Technical notes

Notes

The website is built on simploCMS, a specialized content management system, using standard web technologies including HTML5, CSS3, JavaScript, and SVG graphics. The site is mobile responsive and accessible with ARIA roles and keyboard navigation aids. Metadata and structured data (JSON-LD) are properly implemented for SEO and social sharing. External dependencies are minimal, reducing attack surface. The site uses HTTPS exclusively, indicating good SSL/TLS configuration. Performance is moderate, with room for optimization in asset delivery and caching. No major technical debt or deprecated technologies were detected. The absence of HTTP security headers is a technical gap that should be addressed. Hosting provider details are not explicitly identified from the content. Overall, the technical infrastructure supports a secure, professional, and user-friendly government website.
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. 67/100 +8Medium26 findingsView report
  2. 59/100Medium27 findingsView report
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