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Security report for chcidatovku.cz

Government · Czech Republic

Partial score · DNS & email only

75/100

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

The website chcidatovku.gov.cz is an official Czech government portal dedicated to the Data Box system, which facilitates secure electronic communication between citizens, businesses, and public authorities. The site is professionally designed using a government design system and modern frontend technologies such as Bootstrap and jQuery. It integrates analytics tools like Matomo and Google Tag Manager to monitor usage. Despite the lack of WHOIS data in the provided raw output, the domain's use of the gov.cz TLD and consistent government branding strongly support its legitimacy. However, the absence of explicit privacy and cookie policies and missing WHOIS registration details represent areas for improvement. Overall, the site demonstrates a solid technical infrastructure and a good security posture with HTTPS enabled and no obvious vulnerabilities.

Scanned

3 of 7 checks could not complete. The site may be unreachable or blocking automated scans, so the results below cover only what could be checked. Try a rescan later.

NIS2 and GDPR posture

NIS2 outside view
Not assessed
GDPR outside view
Not assessed

Both readouts depend on the site's pages, which could not be loaded in this scan.

Priority findings

1 finding rated critical or high. Fix these first.

  1. 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 chcidatovku.cz

This scan found 13 issues across 4 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
82
Email security
65
DNS health
70
Network security
100
Average
79
After the cap
75

Not counted

  • Security headers: did not complete in this scan.
  • GDPR outside view: did not complete in this scan.
  • 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

This portal serves as a critical government service platform in the Czech Republic, targeting citizens and businesses requiring secure communication with public authorities. Its business model is non-commercial, focusing on public service delivery. The site maintains a consistent brand identity aligned with Czech government standards and offers key services related to Data Box access and management. The use of enterprise-grade technologies and analytics indicates a mature digital presence. The lack of visible contact information and detailed business registration data is typical for government portals but could be enhanced for transparency. The site does not appear to engage in advertising or affiliate marketing, focusing solely on service provision.

Security posture

The website enforces HTTPS and uses secure, modern frontend libraries without known vulnerabilities. However, there is no evidence of advanced security headers such as Content-Security-Policy or X-Frame-Options in the provided data, which could further harden the site against attacks. The absence of a published security policy or incident response contact reduces transparency in security management. No vulnerabilities or exposed sensitive data were detected in the HTML content. The integration of analytics is done via reputable services, but privacy compliance could be improved by adding explicit cookie consent mechanisms and privacy policies. Overall, the security posture is good but could benefit from enhanced security headers and clearer security governance documentation.

Recommendations

  1. Implement and publish comprehensive privacy and cookie policies with user consent mechanisms to improve GDPR compliance.
  2. Add security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to strengthen security posture.
  3. Publish a security.txt file to facilitate vulnerability disclosure and incident response communication.
  4. Enhance WHOIS registration transparency to improve trust and domain legitimacy verification.
  5. Provide clear contact information including emails and phone numbers for user support and security incident reporting.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Description
Official Czech government website providing access and information about the Data Box system (Datová schránka) for secure electronic communication with public authorities.
Key services
Secure electronic communication, Data Box access and management, Information about Data Box usage
Content quality
good
Branding
consistent

Technology

Stack
Bootstrap 4.3.1, jQuery 3.4.1, Google Tag Manager, Matomo Analytics
Frameworks
Bootstrap
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Use of secure cookies (implied by gov platform)
  • No vulnerable libraries detected

Analytics and tracking

Services
Matomo, Google Tag Manager
Tracking level
moderate
Privacy practices
basic

Advertising

Tracking pixels
Matomo
Marketing tools
Matomo Analytics
Transparency
basic

Site quality

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

Key observations

  1. Website is an official Czech government portal for Data Box services.
  2. Content is in Czech language and targeted at Czech citizens and businesses.
  3. No WHOIS data available from the provided raw output.
  4. No explicit privacy, cookie, or terms of service pages detected in the provided HTML snippet.
  5. No contact emails or phone numbers explicitly found in the HTML snippet.
  6. Uses modern frontend technologies and government design system.
  7. Includes analytics scripts from Matomo and Google Tag Manager.
  8. No signs of adult or questionable content.
  9. No WAF or blocking detected; content fully accessible.
Technical notes

Notes

The website uses a modern technology stack including Bootstrap 4.3.1 and jQuery 3.4.1, ensuring responsive design and good user experience across devices. Analytics are implemented using Matomo and Google Tag Manager, indicating a focus on data-driven improvements. The site follows a government design system with consistent branding and accessibility considerations. Performance is moderate, with external resources loaded from trusted CDNs. No CMS or hosting provider information was detected. The site is mobile optimized and SEO friendly with proper meta tags and Open Graph data. Technical debt appears low, but improvements in security headers and privacy compliance are recommended to reduce risk.
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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