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Security report for spilberk.cz

Via Aurea, s.r.o. · Government · Czech Republic

High risk. 10 critical or high findings in GDPR outside view, Security headers and 2 other checks.

Security score

45/100

Risk levelHigh

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

The website www.spilberk.cz serves as the official online presence for Špilberk Castle, a prominent cultural and historical museum located in Brno, Czech Republic. Operated under the auspices of Via Aurea, s.r.o., the site provides comprehensive visitor information, including guided tours, exhibitions, events, and ticketing options. The target audience includes tourists, families, school groups, and the general public interested in cultural heritage. The business model is primarily government or municipal supported, focusing on cultural preservation and public engagement. Technically, the website employs a modern technology stack featuring jQuery, Bootstrap, FontAwesome, and Google services such as Fonts and Analytics. It uses the Nette Framework for AJAX and form handling, with performance and mobile optimization rated as good. Security measures include HTTPS enforcement, Google reCAPTCHA v3 integration for spam protection, and a robust cookie consent mechanism compliant with GDPR. However, some security headers like Content-Security-Policy and X-Frame-Options are not explicitly detected and could be improved. The security posture is strong with no visible vulnerabilities or exposed sensitive data. Privacy compliance is well addressed with clear cookie policies and consent banners. Contact information is transparent and includes phone, email, and physical address details. The lack of WHOIS data reduces domain transparency but does not detract from the website's professional appearance and trustworthiness. Overall, the website is well-designed, user-friendly, and secure, serving its purpose effectively as a cultural institution's digital platform. Strategic recommendations include enhancing security headers and maintaining regular audits of third-party libraries to sustain security and compliance standards.

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

10 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 spilberk.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.

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
52
Security headers
20
Email security
75
DNS health
80
Network security
20
GDPR outside view
25
Average
45

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 museum operates in the government and non-profit sectors, focusing on cultural heritage and tourism. It holds a strong market position as a key attraction in Brno, leveraging partnerships with local cultural sites and the city government. Revenue streams likely include ticket sales, events, and merchandise. The business model emphasizes public engagement and education. The partnership ecosystem includes related museum sites, ticketing platforms, and the website developer Via Aurea, s.r.o. Growth indicators include active event calendars and digital engagement via social media. The website reflects a mature digital presence with consistent branding and professional content.

Security posture

The website demonstrates a mature security posture with HTTPS enforced and integration of Google reCAPTCHA v3 to protect forms from spam. Cookie consent is implemented with granular user controls, reflecting GDPR compliance. However, the absence of explicit security headers such as Content-Security-Policy and X-Frame-Options suggests room for improvement. No vulnerabilities or exposed sensitive data were detected. Incident response and security policy documentation are not publicly available, which is common for cultural institutions but could be enhanced for transparency. Overall, the site balances usability and security effectively.

Recommendations

  1. Implement Content-Security-Policy header to mitigate cross-site scripting and related attacks.
  2. Add X-Frame-Options header to prevent clickjacking attacks.
  3. Add X-Content-Type-Options header to prevent MIME sniffing vulnerabilities.
  4. Conduct regular security audits of third-party libraries and dependencies.
  5. Publish a security policy and incident response contact information to improve transparency.

Contact details published on the site

Addresses
Legal name
Via Aurea, s.r.o.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Via Aurea, s.r.o.
Description
Website for Špilberk Castle, a museum and cultural site in Brno, Czech Republic, offering tours, exhibitions, events, and visitor information.
Key services
Guided tours, Exhibitions, Event hosting, Ticket sales, Souvenirs
Content quality
good
Branding
consistent

Technology

Stack
jQuery, Bootstrap, FontAwesome, Google Fonts, Moment.js, Nette Framework AJAX, Ion Range Slider, Magnific Popup, Vanilla LazyLoad, Google reCAPTCHA v3
Frameworks
Nette Framework
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Google reCAPTCHA v3 for forms
  • Cookie consent banner with granular controls
  • Email obfuscation via JavaScript

Analytics and tracking

Services
Google Analytics
Tracking level
moderate
Privacy practices
good

Advertising

Marketing tools
Google reCAPTCHA
Transparency
good

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 Špilberk Castle and museum services.
  2. No WHOIS data available, which is unusual and reduces domain transparency.
  3. Strong compliance with GDPR and cookie consent requirements.
  4. Use of modern web technologies and security best practices.
  5. Clear contact information and social media presence.
  6. No signs of malicious or suspicious activity.
  7. Content is family-friendly and culturally oriented.
Technical notes

Notes

The website is built on a custom CMS platform likely provided by Via Aurea, utilizing a combination of jQuery, Bootstrap, and other modern JavaScript libraries. Performance is moderate with good mobile optimization and basic accessibility features. SEO is well addressed with proper meta tags and structured data (JSON-LD). The site uses Google Fonts and FontAwesome for styling and icons. Google Analytics and Tag Manager are used for analytics and marketing. The site employs Google reCAPTCHA v3 for spam protection on forms. The technical infrastructure is solid but could benefit from enhanced security headers and performance optimizations.
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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