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Security report for historickasidla.cz

Sdružení historických sídel Čech, Moravy a Slezska, z.s. · Non-profit · Czech Republic

Medium risk. 8 critical or high findings in GDPR outside view, Security headers and 2 other checks.

Security score

62/100

Risk levelMedium

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

Sdružení historických sídel Čech, Moravy a Slezska (SHS ČMS) is a Czech non-profit organization dedicated to preserving and promoting historical municipalities and their cultural heritage. Founded in 1990, it serves a membership base of over 200 municipalities and city parts, providing event organization, competitions, and informational resources related to cultural heritage. The website reflects a well-established entity with consistent branding and active engagement through events and news updates. Technically, the site uses a Czech CMS platform (Public4u), integrates Google Tag Manager for analytics, and Mapy.cz for mapping services. The site is mobile-optimized and provides a good user experience with clear navigation and relevant content. Security posture is solid with HTTPS enforced and no visible vulnerabilities, though security headers could be improved. Privacy compliance is basic with cookie consent mechanisms and a privacy information page, but lacks explicit GDPR or security policies. Overall, the site is trustworthy and professionally maintained, suitable for its non-profit cultural heritage mission.

Scanned

This is an earlier scan of historickasidla.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

8 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 historickasidla.cz

This scan found 22 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
40
Email security
62
DNS health
85
Network security
100
GDPR outside view
25
Average
62

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 historickasidla.cz, from OffSeq Breach.

Total records
14
Employees
0
Customers
14
Third parties
0
Weak passwords
21%

2 subdomains affected

See the 10 newest leaked credentials

A one-off add-on to this report that lists the most recent identifier and password pairs OffSeq Breach holds for historickasidla.cz.

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Breach keeps ingesting new leaks, so these numbers can grow between scans.

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Technical appendix

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

Business context

Business profile

The organization holds a strong position within the Czech cultural heritage sector, leveraging partnerships with related event and competition sites to enhance its reach and impact. Its business model is membership-based non-profit, focusing on community engagement and cultural preservation rather than commercial revenue. The website supports this model by providing event calendars, news, and resources for members and the public. The presence of official registration details and contact information enhances credibility. The partnership ecosystem includes multiple dedicated cultural event platforms, indicating a collaborative approach. Growth indicators include active event scheduling and regular news updates. The organization targets municipalities, cultural professionals, and heritage enthusiasts, positioning itself as a key player in Czech heritage preservation.

Security posture

The website demonstrates a mature security posture with mandatory HTTPS, no exposed sensitive data, and use of reputable third-party services like Google Tag Manager. However, the absence of security headers such as Content-Security-Policy and X-Frame-Options represents an area for improvement. No vulnerability disclosures or incident response contacts are present, which could limit transparency and readiness. Privacy compliance is basic but includes cookie consent mechanisms. The site does not expose forms collecting sensitive data beyond search inputs, reducing attack surface. Overall, the security posture is adequate for a non-profit informational site but could benefit from enhanced headers and formal security policies.

Recommendations

  1. Implement security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to strengthen defense against common web attacks.
  2. Publish explicit privacy and security policies detailing data handling and protection measures to improve GDPR compliance and user trust.
  3. Add a vulnerability disclosure policy or security.txt file to facilitate responsible reporting and incident response.
  4. Regularly audit and update third-party scripts and dependencies to mitigate risks from vulnerable libraries.
  5. Enhance accessibility features and conduct periodic security assessments to maintain a robust security culture.

Contact details published on the site

Addresses
Legal name
Sdružení historických sídel Čech, Moravy a Slezska, z.s.
Registration number
65 99 24 66
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Sdružení historických sídel Čech, Moravy a Slezska, z.s.
Description
Sdružení historických sídel Čech, Moravy a Slezska (SHS ČMS) is a voluntary, interest-based, non-partisan and non-governmental organization primarily associating historical municipalities or their parts where significant cultural values, especially immovable monuments, are preserved. Founded in November 1990 by initiative of towns. As of 1.7.2023, it has 204 members, including 195 regular members (municipalities, towns, and city parts) and 9 associated members.
Key services
Organizing cultural heritage events and competitions, Providing information and support to members, Publishing news and updates related to historical sites, Hosting conferences and seminars
Content quality
good
Branding
consistent

Technology

Stack
jQuery, jQuery UI, Google Tag Manager, Mapy.cz API, Public4u CMS
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Use of Google Tag Manager for analytics

Analytics and tracking

Services
Google Tag Manager
Tracking level
moderate
Privacy practices
basic

Advertising

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 no blocking detected.
  2. WHOIS data is unavailable, indicating privacy protection or registry restrictions.
  3. Site uses HTTPS and modern tracking via Google Tag Manager.
  4. Contact information is clearly presented with phone numbers, emails, and physical address.
  5. No explicit privacy or security policy pages beyond cookie information found.
  6. No terms of service or vulnerability disclosure pages detected.
  7. Content is focused on cultural heritage and non-profit activities.
  8. No suspicious or malicious content detected.
  9. Social media presence on Facebook, Instagram, and YouTube.
  10. Site uses a Czech CMS platform (Public4u) and Mapy.cz API for maps.
Technical notes

Notes

The website is built on the Public4u CMS platform, utilizing jQuery and jQuery UI libraries for frontend interactions. It integrates Google Tag Manager for analytics and Mapy.cz APIs for mapping functionalities. The site is served over HTTPS with a valid SSL certificate, ensuring encrypted communications. Performance is moderate with room for optimization, especially in loading times and resource management. Mobile optimization is good, supporting responsive design. SEO is supported by proper meta tags and structured navigation. The technical stack is somewhat dated with reliance on jQuery but remains functional and stable. Opportunities exist to modernize frontend frameworks and improve security headers to reduce technical debt and enhance resilience.
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. 62/100Medium31 findingsView report
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