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Security report for muzeumcb.cz

Jihočeské muzeum v Českých Budějovicích · Government · Czech Republic

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

Security score

50/100

Risk levelMedium

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

Jihočeské muzeum v Českých Budějovicích is a regional cultural institution managing historical and cultural collections of the South Bohemian region. It operates multiple branches including a historic main building and specialized museums. The website presents a well-structured digital presence with detailed information on exhibitions, events, and educational programs, targeting general public and cultural enthusiasts. Technically, the site uses a custom CMS with legacy jQuery and modern tracking tools like Google Tag Manager and Facebook Pixel. The site is HTTPS secured and includes a cookie consent mechanism compliant with GDPR. However, the absence of WHOIS data and some outdated libraries slightly reduce the overall trust and security posture. No critical vulnerabilities or adult content were detected, making the site safe and professional for its audience.

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 muzeumcb.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.

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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
62
Security headers
20
Email security
90
DNS health
80
Network security
20
GDPR outside view
25
Average
50

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

Breach exposure

Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.

Dark web exposure

Add-on

Leaked records that mention muzeumcb.cz, from OffSeq Breach.

No leaked records found

Breach holds no records for muzeumcb.cz right now. New leaks arrive continuously, so monitoring on Breach alerts you if that changes.

Monitor on Breach (opens in a new tab)

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

The museum holds a strong regional position as a government and non-profit cultural entity, offering exhibitions, educational activities, and virtual tours. Its partnerships with local media and cultural institutions enhance its ecosystem. The business model focuses on public engagement and cultural preservation rather than commercial revenue. The website supports this with comprehensive event calendars, online ticketing links, and educational resources. Growth indicators include active event programming and digital content expansion. The lack of detailed business registration info online is typical for public institutions but limits external verification.

Security posture

The website demonstrates a moderate security maturity level with HTTPS enforcement and cookie consent compliance. The use of older jQuery versions and missing security headers are areas for improvement. No exposed sensitive data or obvious vulnerabilities were found. Incident response and security policy information are absent, which could be enhanced to improve transparency and readiness. Overall, the site aligns with basic security best practices but would benefit from modernization and formal security documentation.

Recommendations

  1. Update jQuery and other JavaScript libraries to current secure versions.
  2. Implement standard security headers such as Content-Security-Policy, X-Frame-Options, and HSTS.
  3. Publish explicit security and incident response policies on the website.
  4. Add a security.txt file to facilitate vulnerability disclosures.
  5. Enhance WHOIS domain registration transparency or clarify privacy protection rationale.

Contact details published on the site

Addresses
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Jihočeské muzeum v Českých Budějovicích
Description
Jihočeské muzeum spravuje historické a kulturní sbírky jihočeského regionu. Sdružuje celkem 4 pobočky - hlavní budovu v novorenesančním slohu, Tvrz Žumberk u Nových Hradů, Muzeum koněspřežky a Památník Jana Žižky z Trocnova.
Key services
Museum exhibitions, Educational programs, Cultural events, Library services, Online virtual tours and podcasts
Content quality
good
Branding
consistent

Technology

Stack
jQuery 1.8.3, jQuery Validation Engine, Fancybox 3.5.7, Google Tag Manager, Facebook Pixel, KookieCheck cookie consent
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent banner with granular options
  • No exposed sensitive data in HTML
  • Use of validation on forms

Analytics and tracking

Services
Google Tag Manager, Facebook Pixel
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Facebook Pixel
Marketing tools
Facebook Pixel, KookieCheck cookie consent
Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with rich content and navigation.
  2. No WHOIS data available, limiting domain trust assessment.
  3. Cookie consent mechanism is implemented with granular options.
  4. No explicit privacy or security policy pages beyond cookie consent found.
  5. No contact emails or phone numbers explicitly visible in the main HTML content.
  6. Social media presence on Facebook and Instagram confirmed.
  7. Use of older jQuery version (1.8.3) may pose security risks.
  8. No security headers detected in provided data.
  9. Website uses HTTPS and modern tracking tools.
  10. Content is culturally focused, safe, and suitable for general audiences.
Technical notes

Notes

The website is built on a custom CMS by NETservis s.r.o., using legacy jQuery 1.8.3 and several JavaScript plugins for UI and validation. It integrates Google Tag Manager and Facebook Pixel for analytics and marketing. The site is mobile responsive and includes accessibility navigation aids. Performance is moderate, with room for optimization. SEO is supported by meta tags and structured navigation. The lack of modern frameworks or CMS platforms suggests potential technical debt. Hosting provider details are not explicit. Overall, the technical infrastructure supports the museum's digital needs but could be modernized for better security and performance.
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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