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Security report for divadlokalich.cz

Hospitality · Czech Republic

Medium risk. 4 critical or high findings in Email security, Security headers and 1 other check.

Security score

75/100

Risk levelMedium

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

Divadlo Kalich is a Czech theater venue offering a variety of live performances including comedies, musicals, concerts, and children's shows. The website targets a general audience interested in cultural and entertainment events. The business operates primarily as a local theater with a small-scale presence. Technically, the website employs modern tracking and analytics tools such as Google Analytics, Facebook Pixel, and Cookiebot for cookie management, indicating a moderate level of digital maturity. However, the absence of WHOIS data and lack of visible privacy policy or contact information reduce the overall trustworthiness and compliance posture. Security-wise, the site uses HTTPS and cookie consent mechanisms but lacks visible security headers and formal security policies, suggesting room for improvement in security best practices. Overall, the site is functional and professionally designed but would benefit from enhanced transparency and security documentation.

Scanned

This is an earlier scan of divadlokalich.cz. View the latest report

NIS2 and GDPR posture

GDPR outside view
88/ 100 · Low
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

4 findings rated critical or high. Fix these first.

  1. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • Critical

      No email authentication configured

      Domain is vulnerable to email spoofing

      What to do: Implement SPF, DKIM, and DMARC immediately

  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 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';…

  3. SSL/TLS

    TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.

    • High

      Weak SSL Key Length

      SSL certificate uses 256-bit key, which is considered weak

      What to do: Use at least 2048-bit RSA or 256-bit ECC key

      • CWE-326
      • OWASP A04:2025
      • Mozilla TLS: Mozilla Server Side TLS 6.0 intermediate: rsa_key_size 2048

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

Keep watching divadlokalich.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.

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
75
Security headers
50
Email security
60
DNS health
75
Network security
100
GDPR outside view
88
Average
75

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 theater operates in the hospitality sector, focusing on live entertainment. Its business model revolves around ticket sales for various performances. The website shows integration with major advertising and analytics platforms, indicating active marketing efforts. However, the lack of explicit business contact details and company registration information limits the ability to fully assess business credibility. The use of multiple third-party ad networks and tracking services suggests reliance on advertising revenue streams. There is no evidence of partnerships or subsidiaries from the website content or WHOIS data. Growth indicators and strategic partnerships are not discernible from the available data.

Security posture

The website demonstrates a basic security posture with HTTPS enabled and a cookie consent banner that complies with GDPR requirements to some extent. However, the absence of security headers such as Content Security Policy, X-Frame-Options, and HSTS reduces protection against common web attacks. No security or incident response policies are published, and no security.txt or vulnerability disclosure programs are evident. The extensive use of third-party tracking and advertising scripts increases the attack surface and privacy risks. The missing WHOIS data is a concern for domain legitimacy and trust. Overall, the security maturity is moderate but requires enhancements to meet higher compliance and security standards.

Recommendations

  1. Publish a comprehensive privacy policy and terms of service pages accessible from the website footer or main navigation.
  2. Add clear and verified contact information including company email, phone number, and physical address to improve business credibility.
  3. Implement and verify HTTP security headers such as Content Security Policy, HSTS, X-Frame-Options, and X-Content-Type-Options.
  4. Ensure WHOIS domain registration data is complete and publicly available to enhance trust and legitimacy.
  5. Consider publishing a security.txt file and establishing a vulnerability disclosure program to improve security transparency.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Description
Oblíbené komedie a muzikály v Divadle Kalich, činohry a pohádky v Komorním divadle Kalich, komedie, koncerty a pohádky na Prima Hvězdném létě
Key services
Theater performances, Musicals, Concerts, Children's shows
Content quality
good
Branding
consistent

Technology

Stack
Google Tag Manager, Google Analytics, Cookiebot, Facebook Pixel, Seznam.cz tracking, Cloudfront CDN
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
70/100
Good practices seen
  • Cookie consent banner with granular consent options

Analytics and tracking

Services
Google Analytics, Snowplow Analytics
Tracking level
extensive
Privacy practices
basic

Advertising

Ad networks
Google AdSense, Meta Platforms (Facebook Ads), Microsoft Advertising, Seznam.cz Ads
Tracking pixels
Facebook Pixel, Seznam.cz tracking pixel, Cookiebot tracking
Marketing tools
Cookiebot
Transparency
good

Site quality

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

Key observations

  1. Website is accessible and not blocked by WAF or security challenge
  2. No WHOIS data available, which is unusual and reduces trust
  3. Cookie consent mechanism is implemented with detailed cookie categories
  4. No visible privacy policy or terms of service pages found
  5. No explicit contact information (email, phone, address) found in HTML content
  6. Use of multiple third-party tracking and advertising services
  7. Content is focused on theater and entertainment, safe for general audiences
  8. Technical implementation uses modern tools but lacks visible security headers
  9. No security.txt or vulnerability disclosure information found
Technical notes

Notes

The website uses a modern technology stack including Google Tag Manager, Google Analytics, Facebook Pixel, and Cookiebot for cookie consent management. Fonts are loaded from Google Fonts, and content is served partially via Cloudfront CDN. The site appears mobile-optimized with responsive design elements. However, no CMS or hosting provider information is directly detectable. Performance is moderate with asynchronous loading of scripts. Accessibility features are basic but present. SEO optimization is basic with meta description and viewport tags but lacks Open Graph or JSON-LD structured data. The site could benefit from improved semantic markup and accessibility enhancements.
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. 68/100Medium28 findingsView report
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