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Security report for synagoga-turnov.cz

as4u.cz, s.r.o. · Other · Czech Republic

Medium risk. 7 critical or high findings in GDPR outside view, Security headers and 1 other check.

Security score

67/100

Risk levelMedium

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

Synagoga Turnov is a cultural heritage website dedicated to the Jewish synagogue and related historical sites in Turnov, Czech Republic. The site provides information on exhibitions, cultural programs, educational offers, and fundraising activities. It targets tourists, local visitors, and educational institutions, operating primarily as a non-profit cultural institution. The website is built on the Public4u CMS platform and uses jQuery libraries, offering a moderate level of technical sophistication with basic mobile optimization and accessibility features. Security posture is adequate with HTTPS enabled but lacks advanced security headers and anti-CSRF protections. Privacy compliance is good with a visible cookie consent mechanism and privacy policy in Czech. The absence of WHOIS data reduces domain trustworthiness, but the website content and external references support legitimacy. Overall, the site is professional, informative, and trustworthy for its cultural mission.

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

7 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';…

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

Keep watching synagoga-turnov.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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  • TLS certificates and expiry
  • DNS records
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  • 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
65
DNS health
85
Network security
100
GDPR outside view
25
Average
67

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 website positions itself as a local cultural heritage institution with a focus on Jewish history and synagogue preservation in Turnov. Its business model relies on visitor admissions, donations, and fundraising campaigns such as auctions. The target audience includes tourists, local residents, schools, and cultural enthusiasts. The site maintains partnerships with local tourism and heritage organizations, as evidenced by external links. The company behind the site is as4u.cz, s.r.o., which appears to provide the CMS and web services. The site demonstrates consistent branding and good content quality, supporting its role as a trusted cultural resource in the region.

Security posture

The website employs HTTPS, ensuring encrypted communication. However, it lacks several important security headers such as Content-Security-Policy, X-Frame-Options, and HSTS, which are recommended to mitigate common web attacks. Forms do not show explicit anti-CSRF tokens, which could expose the site to cross-site request forgery risks. No vulnerable or outdated libraries were explicitly detected, but jQuery versions should be regularly updated. No incident response or security policy information is provided, indicating a potential gap in formal security governance. Overall, the security posture is moderate but could be improved with standard best practices.

Recommendations

  1. Implement security headers including Content-Security-Policy, X-Frame-Options, and HSTS to enhance protection against common web attacks.
  2. Add anti-CSRF tokens to all forms to prevent cross-site request forgery vulnerabilities.
  3. Regularly update all JavaScript libraries, especially jQuery, to the latest secure versions.
  4. Publish a formal security policy and incident response plan accessible to users and stakeholders.
  5. Enhance mobile optimization and accessibility to improve user experience across devices.

Contact details published on the site

Addresses
Legal name
as4u.cz, s.r.o.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
as4u.cz, s.r.o.
Description
Synagoga Turnov is a cultural and historical site presenting the Jewish synagogue and heritage in Turnov, Czech Republic. It offers exhibitions, cultural programs, guided tours, and educational activities.
Key services
Guided tours and exhibitions, Cultural programs and concerts, Educational offers for schools, Souvenirs and fundraising auctions
Content quality
good
Branding
consistent

Technology

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

Security

Observed score
60/100
Good practices seen
  • HTTPS enforced

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 rich content about Synagoga Turnov cultural site.
  2. No WHOIS data available, which is unusual and reduces domain trust.
  3. Site uses HTTPS but lacks advanced security headers.
  4. Cookie consent banner present and privacy policy available in Czech language.
  5. No signs of malware, phishing, or adult content.
  6. External links mostly to local cultural and tourism sites and Facebook.
  7. No analytics or tracking scripts detected in provided HTML.
  8. Site uses Public4u CMS and jQuery libraries.
  9. Contact information includes company email and physical address in Turnov, Czech Republic.
Technical notes

Notes

The website uses the Public4u CMS platform with jQuery and jQuery UI libraries for frontend interactivity. The HTML structure is valid and includes meta tags for SEO and language specification. Performance is moderate with some room for improvement in mobile responsiveness and accessibility. No advanced analytics or tracking scripts were detected, indicating minimal user tracking. The site is hosted on HTTPS but lacks advanced security headers. The technical stack is stable but somewhat dated, suggesting opportunities for modernization and improved 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

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