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Security report for marathonbet.com

Marathonbet · Other · Curaçao

Medium risk. 2 critical or high findings in Security headers and SSL/TLS.

Security score

74/100

Risk levelMedium

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

Marathonbet is a well-established online sports betting and casino operator licensed in Curacao, offering a wide range of betting markets including live sports, esports, and casino games. The website demonstrates a mature technical infrastructure leveraging modern JavaScript frameworks such as Vue.js, and integrates multiple analytics and tracking services including Amplitude, Google Analytics, and Yandex Metrica. Security posture is strong with HTTPS enforcement, comprehensive security headers, and session management best practices, although explicit security policy and incident response information are not publicly disclosed. Privacy compliance is well addressed with clear privacy and cookie policies and GDPR consent mechanisms. Overall, the platform presents a professional, trustworthy, and user-friendly experience suitable for its target audience of sports bettors and casino players.

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

2 findings rated critical or high. Fix these first.

  1. 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 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';…

  2. 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 marathonbet.com

This scan found 19 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
65
Security headers
50
Email security
55
DNS health
85
Network security
100
GDPR outside view
88
Average
74

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

Marathonbet operates in the online gambling sector with a focus on sports betting and casino services. Its business model revolves around providing competitive odds and a broad selection of betting markets to a global audience, primarily under Curacao jurisdiction. The company leverages digital marketing and analytics tools to optimize user engagement and retention. While no direct parent or subsidiary companies are identified, the brand maintains a consistent and professional online presence. The platform's extensive live event coverage and betting options indicate a strong market position among online bookmakers.

Security posture

The website exhibits a solid security posture with enforced HTTPS, use of Content Security Policy, and other standard security headers. No vulnerable or outdated libraries were detected in the scripts loaded. The presence of captcha mechanisms and session token refresh indicates attention to secure user authentication. However, the absence of a public security policy or vulnerability disclosure program limits transparency. Incident response contact information is not provided, which could be improved to enhance trust and readiness. Overall, the security measures are appropriate for an online gambling platform but could benefit from additional transparency and formalized policies.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and controls.
  2. Provide clear incident response contact channels such as security@ or abuse@ email addresses.
  3. Implement and publicize a vulnerability disclosure program or security.txt file.
  4. Enhance website accessibility features to improve compliance and user experience.
  5. Consider obtaining and displaying recognized security certifications (e.g., ISO 27001) to boost trust.

Contact details published on the site

Registration number
Company Number 118257
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Marathonbet
Description
Marathonbet offers sports betting with best odds on hundreds of pre-game and in-play markets, including casino and live casino games.
Key services
Sports betting, Live betting, Casino games, Live casino, Esports betting
Content quality
good
Branding
consistent

Technology

Stack
JavaScript, Vue.js, Amplitude Analytics, Google Tag Manager, Yandex Metrica, LiveHelpNow chat, WebSocket
Frameworks
Vue.js
Platforms
Web
Performance
fast
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Use of CSP
  • Cookie consent mechanism
  • Captcha for forms
  • Session management with token refresh

Analytics and tracking

Services
Amplitude, Google Analytics, Yandex Metrica
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Amplitude, Yandex Metrica
Transparency
basic

Site quality

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

Key observations

  1. Website is a professional online sports betting and casino platform
  2. Content is rich with live event data and betting markets
  3. Strong use of modern JavaScript frameworks and analytics
  4. No signs of blocking or WAF interference
  5. Privacy and cookie policies are present and GDPR compliant
  6. No explicit security policy or incident response info publicly available
  7. WHOIS data is consistent and supports legitimacy
Technical notes

Notes

The website is built on a modern tech stack with Vue.js as the primary framework, supported by various analytics and tracking libraries. It uses WebSocket for live updates, ensuring real-time data delivery for betting markets. The site is well-optimized for performance and mobile responsiveness, with structured meta tags supporting SEO. No CMS was detected, indicating a custom or proprietary platform. Hosting details are not explicit but the use of multiple CDNs and analytics providers suggests a robust infrastructure. Technical risks are minimal, with no obvious outdated components or performance bottlenecks.
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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