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Security report for colosseumticket.cz

Other · Czech Republic

Low risk. 1 critical or high finding in SSL/TLS.

Security score

85/100

Risk levelLow

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

ColosseumTicket.cz is an established online ticket sales platform specializing in cultural events such as theatre, classical music concerts, musicals, opera, and ballet primarily in the Czech Republic. Founded in 2012, it serves a regional audience with over 900 events and 120 points of sale, positioning itself as a key player in the Czech cultural ticketing market. The website employs modern web technologies including Next.js and React, ensuring a responsive and user-friendly experience across devices. The technical infrastructure is supported by reputable third-party services for analytics, marketing, and user engagement, including Google Tag Manager, Cookiebot for consent management, and SmartSupp chat.

Scanned

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

1 finding rated critical or high. Fix these first.

  1. 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 Protocols Supported

      Server supports weak protocols: TLSv1.1

      What to do: Disable TLS 1.0, TLS 1.1, and all SSL versions

      • CWE-327
      • OWASP A04:2025
      • ASVS V12.1.1

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

Keep watching colosseumticket.cz

This scan found 15 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

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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
72
Security headers
95
Email security
75
DNS health
80
Network security
100
GDPR outside view
88
Average
85

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 business model focuses on direct online ticket sales for cultural events, targeting residents and visitors in major Czech cities such as Prague, Brno, and Ostrava. The platform leverages partnerships with event organizers and cultural institutions to offer a broad catalog of events. Its competitive advantage lies in its extensive event coverage and multiple points of sale. The company appears to operate independently with no parent or subsidiary companies identified. Revenue streams likely include ticket commissions and service fees. The use of advanced marketing and analytics tools indicates a data-driven approach to customer engagement and retention.

Security posture

The website demonstrates a solid security posture with HTTPS enforced and a comprehensive cookie consent mechanism compliant with GDPR principles. However, the absence of visible security policies, incident response contacts, and security headers suggests room for improvement in transparency and defense-in-depth. The use of multiple third-party scripts introduces potential risk vectors that should be regularly audited. No critical vulnerabilities or exposed sensitive data were detected in the analyzed content. Overall, the security maturity is moderate but would benefit from enhanced policy disclosures and technical hardening.

Recommendations

  1. Publish clear and accessible privacy policy and terms of service pages to improve compliance and user trust.
  2. Implement and configure security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  3. Provide explicit security policy and incident response contact information to enhance transparency and readiness.
  4. Regularly review and audit third-party scripts and cookies to minimize privacy and security risks.
  5. Enhance accessibility features and conduct periodic security assessments to maintain a robust security posture.

Contact details published on the site

Addresses
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Description
Be inspired, discover new stories and experience new cultural experiences ✓ 900+ events throughout the Czech Republic ✓ 120+ points of sale ✓ Use of benefit systems
Content quality
good
Branding
consistent

Technology

Stack
Next.js, React, Google Tag Manager, Cookiebot, SmartSupp Chat, SmartEmailing, Twitter Universal Website Tag
Frameworks
Next.js, React
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
75/100
Good practices seen
  • HTTPS enforced
  • Cookie consent with granular controls
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Analytics, Hotjar, Smartlook
Tracking level
extensive
Privacy practices
basic

Advertising

Ad networks
Meta Platforms, Inc., Google, Twitter
Tracking pixels
Facebook Pixel, Twitter Pixel, Hotjar, Smartlook
Marketing tools
SmartEmailing
Transparency
good

Site quality

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

Key observations

  1. Website uses modern React/Next.js framework with good mobile optimization.
  2. Comprehensive cookie consent mechanism implemented via Cookiebot.
  3. No explicit privacy policy or terms of service pages found in the provided content.
  4. Multiple third-party marketing and analytics scripts are used, indicating extensive user tracking.
  5. No contact information or security policy pages detected in the analyzed content.
  6. WHOIS data shows a long-established domain with consistent registration details.
  7. No WAF or blocking mechanisms detected; content fully accessible.
Technical notes

Notes

The website is built on a modern React and Next.js stack, indicating a contemporary and scalable architecture. It uses server-side rendering and static asset optimization for performance. The presence of multiple CSS stylesheets and deferred JavaScript loading suggests attention to performance optimization. Hosting appears to be managed by REG-ZONER, a Czech registrar and hosting provider, consistent with the business location. The site is mobile-optimized and includes SEO-friendly meta tags and Open Graph data, supporting good search engine visibility. Opportunities exist to improve accessibility and implement additional security headers to reduce technical risk.
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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