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Security report for onlinecasino-cz24.com

Other · Czech Republic

Medium risk. 10 critical or high findings in GDPR outside view, Email security and 2 other checks.

Security score

56/100

Risk levelMedium

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

The website www.onlinekasinocz.cz is a Czech-language online casino affiliate and informational portal targeting Czech players interested in licensed and international online casinos. It provides detailed reviews, ratings, bonus offers, legal information, and guides on how to play safely and legally in the Czech Republic. The site is well-structured, professionally designed, and mobile-optimized, offering a comprehensive resource for its niche audience. Technically, it uses modern web standards with responsive design and lazy loading for performance. Security posture is adequate with HTTPS enabled, but lacks advanced security headers and incident response information. Privacy compliance is limited, with no clear privacy policy or terms of service pages found, though a cookie consent banner is present. WHOIS data is unavailable, which reduces trustworthiness but the site content and affiliate partnerships suggest a legitimate business model. Overall, the site scores well on content quality and user experience but should improve transparency and security practices.

Scanned

NIS2 and GDPR posture

GDPR outside view
10/ 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

  2. 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

  3. 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 onlinecasino-cz24.com

This scan found 25 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
75
Security headers
15
Email security
60
DNS health
75
Network security
100
GDPR outside view
10
Average
56

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 onlinecasino-cz24.com, from OffSeq Breach.

No leaked records found

Breach holds no records for onlinecasino-cz24.com right now. New leaks arrive continuously, so monitoring on Breach alerts you if that changes.

Monitor on Breach (opens in a new tab)

Technical appendix

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

Business context

Business profile

The site operates as an affiliate marketing platform in the online gambling sector, focusing on the Czech market. It leverages expert reviews and user feedback to rank and recommend online casinos, many of which are international brands accepting Czech players. The business model relies on affiliate commissions from casino partners. The site targets adult Czech gamblers seeking legal and trustworthy online casinos. It maintains a niche position with detailed, localized content and regular updates. The absence of direct contact information and WHOIS transparency is a minor concern. The site links to multiple reputable casino brands, indicating a broad partnership ecosystem. Growth potential exists given the regulated Czech gambling market and increasing online casino popularity.

Security posture

The website enforces HTTPS, ensuring encrypted communication. However, no explicit security headers (e.g., Content-Security-Policy, X-Frame-Options) were detected in the provided data, which could improve protection against common web attacks. No exposed sensitive data or vulnerable libraries were found in the HTML content. The site lacks a published security policy or incident response contacts, which are important for transparency and trust. Cookie consent is implemented, indicating some privacy awareness. Overall, the security posture is moderate but could be enhanced by adding security headers, publishing security policies, and providing clear incident response channels.

Recommendations

  1. Publish a comprehensive privacy policy and terms of service pages to improve legal compliance and user trust.
  2. Implement and configure security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security.
  3. Provide clear contact information including company email and phone numbers to enhance business credibility.
  4. Add a security.txt file or vulnerability disclosure policy to facilitate responsible reporting of security issues.
  5. Improve accessibility features and conduct regular security audits to maintain a strong security posture.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Description
Online portal providing reviews, ratings, and information about licensed and international online casinos for Czech players, including casino bonuses, games, payment methods, and legal regulations in the Czech Republic.
Key services
Casino reviews, Casino ratings, Bonus and promo code listings, Information on legal regulations, Guides on how to play online casinos
Content quality
good
Branding
consistent

Technology

Stack
HTML5, CSS3, JavaScript, Web fonts (WOFF, WOFF2), Lazy loading images, Responsive design
Platforms
Desktop browsers, Mobile browsers
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
75/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • No visible vulnerable libraries

Analytics and tracking

Tracking level
minimal
Privacy practices
basic

Advertising

Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with rich content.
  2. No WHOIS data available, possibly due to privacy or unregistered domain.
  3. No explicit contact emails or phone numbers found.
  4. Cookie policy banner present with consent mechanism.
  5. No privacy policy or terms of service pages clearly identified.
  6. No security.txt or incident response information found.
  7. Website targets Czech online casino players with detailed guides and reviews.
  8. Multiple affiliate links to international and Czech online casinos.
  9. No signs of malware or phishing detected.
  10. No social media official links found.
Technical notes

Notes

The website uses modern HTML5 and CSS3 with responsive design and web fonts for a professional appearance. Lazy loading of images improves performance. JavaScript is used for UI interactions such as menus and cookie consent. No CMS or backend technology was identified from the HTML. The site is mobile-optimized and SEO-friendly with proper meta tags and Open Graph data. Performance is moderate with room for optimization. No major technical debt or deprecated technologies were observed. Hosting provider and infrastructure details are not disclosed. Overall, the technical implementation supports a good user experience but could benefit from enhanced security and privacy features.
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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