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Security report for ceskafilharmonie.cz

Česká filharmonie · Other · Czech Republic

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

Security score

65/100

Risk levelMedium

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

Česká filharmonie is the premier Czech symphony orchestra with a rich history dating back to 1896. The organization offers a wide range of cultural services including concerts, educational programs, and media content. It holds a strong market position as a leading cultural institution in the Czech Republic with international recognition. The website reflects a mature digital presence with modern technologies such as AngularJS, Google Tag Manager, and multimedia integration. The site is well-structured, mobile-optimized, and provides comprehensive user experience with clear navigation and rich content. Security posture is good with HTTPS enforced and cookie consent mechanisms in place, though explicit security policies and incident response contacts are not found. WHOIS data is missing, which slightly reduces trustworthiness but the overall professional presentation and partner endorsements support legitimacy. Strategic recommendations include enhancing security headers, publishing a security policy, and improving transparency around incident response.

Scanned

NIS2 and GDPR posture

GDPR outside view
40/ 100 · High
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

  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 ceskafilharmonie.cz

This scan found 23 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
77
Security headers
15
Email security
75
DNS health
80
Network security
100
GDPR outside view
40
Average
65

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 Czech Philharmonic operates as a non-profit cultural institution focused on classical music performance and education. Its revenue streams likely include ticket sales, sponsorships, and donations, supported by partnerships with major Czech companies like ČEZ and PPF Group. The target audience includes classical music enthusiasts, concert attendees, students, and cultural patrons. The organization maintains a strong brand with consistent messaging and active social media engagement. The website supports multiple languages and offers extensive program information, reflecting a well-established and reputable entity in the cultural sector.

Security posture

The website demonstrates a solid security foundation with HTTPS and cookie consent compliance. However, the absence of explicit security policies, incident response information, and vulnerability disclosure mechanisms indicates room for improvement in security transparency and readiness. No critical vulnerabilities or exposed sensitive data were detected. The use of third-party analytics and tracking is managed with user consent. Overall, the security maturity is moderate to good but could benefit from formalized policies and enhanced header configurations.

Recommendations

  1. Implement and enforce comprehensive security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  2. Publish a clear security policy and incident response contact information on the website.
  3. Establish a vulnerability disclosure program or security.txt file to encourage responsible reporting.
  4. Regularly audit third-party scripts and libraries for vulnerabilities and privacy compliance.
  5. Enhance WHOIS transparency if possible to improve domain trustworthiness.

Contact details published on the site

Addresses
Legal name
Česká filharmonie
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Česká filharmonie
Description
Česká filharmonie je nejvýznamnější český symfonický orchestr s bohatou historií sahající do roku 1896. Koncertuje v Rudolfinu a je známá po celém světě.
Key services
Koncertní program, Vzdělávací programy, Prodej vstupenek, Mediální obsah (podcasty, magazín, YouTube), Podpora a fundraising
Content quality
excellent
Branding
consistent

Technology

Stack
AngularJS (AngularApp), jQuery, Owl Carousel, Google Tag Manager, Google Analytics, YouTube embeds, WebP image format support
Frameworks
AngularJS
Platforms
Web
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent banner with granular consent options
  • No exposed sensitive data in HTML
  • Use of Google Tag Manager for controlled script loading

Analytics and tracking

Services
Google Analytics, Google Tag Manager, Seznam.cz tracking
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Seznam.cz tracking
Transparency
good

Site quality

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

Key observations

  1. Website is professionally designed with rich multimedia content including videos and images
  2. Strong social media integration and active presence
  3. Comprehensive cookie consent and privacy policy implementation
  4. No visible security or privacy policy documents beyond GDPR privacy policy
  5. WHOIS data unavailable, possibly due to privacy protection or domain registry restrictions
  6. No signs of malicious or suspicious content
  7. Multiple external trusted partners and sponsors displayed
  8. Use of modern web technologies and analytics tools
Technical notes

Notes

The website uses a modern tech stack including AngularJS for frontend interactivity, jQuery for legacy support, and Owl Carousel for UI components. Google Tag Manager and Google Analytics are employed for tracking and analytics, with cookie consent mechanisms to comply with GDPR. The site is mobile-optimized and uses WebP images for performance. Hosting details are not explicit, but CDN usage is evident for media assets. Performance is moderate with room for optimization. Accessibility features are present but could be further enhanced. SEO is well addressed with proper meta tags and structured data. Overall, the technical infrastructure supports a professional and user-friendly experience.
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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