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Security report for tanvald.cz

Městský úřad Tanvald · Government · Czech Republic

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

Security score

68/100

Risk levelMedium

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

The website www.tanvald.cz serves as the official municipal portal for the town of Tanvald in the Czech Republic. It provides residents and visitors with up-to-date news, contact information for municipal offices, public notices, and leisure/tourism resources. The site is positioned as a local government service platform with a focus on community engagement and transparency. The business model is typical for a municipal government, offering public information and services without commercial intent. Technically, the site uses a proprietary CMS called Public4u, with common JavaScript libraries such as jQuery and jQuery UI. The site is served over HTTPS, ensuring secure communication. Mobile optimization and accessibility are basic but functional. SEO and performance are moderate, with room for improvement in modern web standards and security headers. From a security perspective, the site enforces HTTPS and implements cookie consent mechanisms, indicating awareness of privacy compliance. However, no advanced security headers or explicit incident response policies are present. The absence of WHOIS data for the domain is a notable concern, reducing trust in domain legitimacy. No vulnerabilities or exposed sensitive data were detected in the content analysis. Overall, the website is a trustworthy and functional municipal portal with good content quality and user experience. Strategic improvements in security headers, WHOIS transparency, and accessibility would enhance its posture. The risk level is low given the nature of the site, but domain registration verification is recommended to ensure full legitimacy.

Scanned

This is an earlier scan of tanvald.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

  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';…

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Keep watching tanvald.cz

This scan found 20 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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  • 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
70
DNS health
85
Network security
100
GDPR outside view
25
Average
68

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

Tanvald.cz operates as a local government website serving the town of Tanvald. Its market positioning is that of an essential municipal information hub, targeting residents and tourists. The site leverages partnerships with regional and utility domains to provide comprehensive local information. Revenue streams are non-commercial, focusing on public service delivery. Growth indicators include multilingual support and active news updates. The partnership ecosystem includes regional government and utility providers, enhancing service breadth. The business model is stable but limited to government functions, with no evident commercial expansion.

Security posture

The security maturity of the website is moderate. HTTPS is enforced, and cookie consent is implemented, supporting GDPR compliance. However, the lack of security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security reduces defense-in-depth. No incident response or vulnerability disclosure information is provided, limiting transparency. The absence of WHOIS data is a concern for domain legitimacy and trust. No known vulnerabilities or exposed sensitive data were found. Overall, the site demonstrates basic security hygiene but would benefit from enhanced policies and technical controls.

Recommendations

  1. Implement comprehensive security headers including Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security to improve protection against common web attacks.
  2. Verify and publish domain WHOIS information to enhance trust and legitimacy of the municipal website.
  3. Develop and publish explicit security and incident response policies to improve transparency and preparedness.
  4. Enhance mobile responsiveness and accessibility to meet modern standards and improve user experience for all visitors.
  5. Regularly audit and update third-party libraries and CMS components to mitigate potential vulnerabilities.

Contact details published on the site

Addresses
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Městský úřad Tanvald
Description
Official website of the town of Tanvald providing municipal information, news, contacts, and services for residents and visitors.
Key services
Municipal news and updates, Contact information for city offices, Tourism and leisure information, Public notices and official documents
Content quality
good
Branding
consistent

Technology

Stack
jQuery, jQuery UI, JavaScript, CSS
Frameworks
Public4u CMS
Performance
moderate
Mobile
basic
Accessibility
basic
SEO
basic

Security

Observed score
75/100
Good practices seen
  • HTTPS enforced
  • Cookie consent banner implemented

Analytics and tracking

Tracking level
minimal
Privacy practices
good

Advertising

Transparency
poor

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 primarily in Czech language with multilingual options (EN, DE, PL).
  3. Site uses HTTPS and has cookie consent mechanisms.
  4. No privacy or security policy pages beyond GDPR and cookie statements.
  5. No visible terms of service or vulnerability disclosure pages.
  6. WHOIS data is missing, which is unusual for a government domain.
  7. Site uses a proprietary CMS (Public4u) and common JS libraries.
  8. Social media presence includes Facebook and Instagram.
  9. Contact information is clearly presented with phone, email, and physical address.
  10. No signs of advertising or tracking beyond cookie consent.
Technical notes

Notes

The website is built on the Public4u CMS platform, utilizing JavaScript libraries such as jQuery and jQuery UI. The site uses CSS for styling and includes custom scripts for gallery and popup functionality. Performance is moderate with no critical errors detected. Mobile optimization is basic, with responsive meta tags present but limited advanced responsiveness. Accessibility features are minimal but include basic ARIA roles and labels. SEO is supported by meta keywords, description, and robots directives. Hosting provider details are not disclosed. The site uses HTTPS but lacks advanced security headers. Overall, the technical infrastructure is functional but could benefit from modernization and security enhancements.
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. 64/100Medium32 findingsView report
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