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Security report for gamstop.co.uk

The National Online Self Exclusion Scheme Limited · Government · United Kingdom

Low risk. 2 critical or high findings in Security headers and GDPR outside view.

Security score

81/100

Risk levelLow

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

GAMSTOP operates as a national self-exclusion scheme in Great Britain, providing a free service to help individuals control their online gambling activities by restricting access to licensed gambling websites and apps. The organization is positioned as a trusted government or non-profit entity with a clear focus on responsible gambling and user support. The website offers registration, account management, and extensive support resources, targeting individuals seeking to manage gambling behavior. Technically, the site is hosted on Amazon Web Services with Cloudflare DNS, uses modern JavaScript and Google Fonts, and maintains a fast, mobile-optimized, and accessible user experience. Security posture is solid with valid SSL certificates and multiple security headers, though improvements such as enabling HSTS and DNSSEC are recommended. Privacy and cookie policies are comprehensive and GDPR compliant, with user consent mechanisms in place for analytics. Overall, GAMSTOP demonstrates a mature digital presence aligned with its mission, though some technical security enhancements could further strengthen its posture.

Scanned

This is an earlier scan of gamstop.co.uk. View the latest report

NIS2 and GDPR posture

GDPR outside view
58/ 100 · Medium
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. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • High

      No Cookie Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

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

Keep watching gamstop.co.uk

This scan found 13 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
85
Security headers
60
Email security
95
DNS health
90
Network security
100
GDPR outside view
58
Average
81

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 gamstop.co.uk, from OffSeq Breach.

Total records
1,276
Employees
0
Customers
1,276
Third parties
0
Weak passwords
3%

5 subdomains affected

See the 10 newest leaked credentials

A one-off add-on to this report that lists the most recent identifier and password pairs OffSeq Breach holds for gamstop.co.uk.

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Breach keeps ingesting new leaks, so these numbers can grow between scans.

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Technical appendix

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

Business context

Business profile

GAMSTOP holds a strong market position as the authoritative self-exclusion service in Great Britain, operating under The National Online Self Exclusion Scheme Limited. Its business model is non-profit and government-aligned, focusing on social responsibility rather than revenue generation. The service ecosystem includes registration, identity verification, and ongoing account management, supported by informational and support content. Partnerships are evident with related domains providing corporate and FAQ information. The target audience is individuals at risk of gambling harm, and the organization leverages social media channels for outreach and engagement. The company is medium-sized with a clear legal identity and registration. The website content is well-structured, consistent, and trustworthy, supporting GAMSTOP's mission and user needs effectively.

Security posture

The security maturity of GAMSTOP is moderate to good. The site employs HTTPS with a valid Amazon-issued SSL certificate and several security headers including X-Frame-Options, X-Content-Type-Options, and strict transport security directives, though HSTS is not fully enabled. No vulnerable SSL protocols or cipher suites were detected, and cookies are set with HttpOnly and Secure flags. However, DNSSEC is not enabled, and CAA records are undefined, which could expose DNS and certificate issuance risks. The site lacks explicit incident response or security policy disclosures, and no vulnerability disclosure or security.txt files were found. Privacy compliance is strong with GDPR-aligned policies and cookie consent mechanisms. Recommendations include enabling HSTS preload, DNSSEC, and improving XSS protections. Overall, the security posture supports the trustworthiness of the service but could be enhanced to meet higher assurance levels.

Recommendations

  1. Enable HTTP Strict Transport Security (HSTS) with includeSubDomains and preload flags to enforce HTTPS.
  2. Implement DNSSEC to protect DNS integrity and prevent spoofing.
  3. Define and publish clear vulnerability disclosure and incident response policies, including security.txt.
  4. Upgrade TLS protocols to support TLS 1.2 or TLS 1.3 for stronger encryption standards.
  5. Enhance CAA DNS records to specify authorized certificate authorities and prevent unauthorized certificate issuance.

Contact details published on the site

Addresses
Legal name
The National Online Self Exclusion Scheme Limited
Registration number
10504973
Technical notes

Notes

The website is built using standard web technologies including JavaScript and Google Fonts, hosted on Amazon Web Services with Cloudflare DNS. The SSL certificate is valid but uses an unknown algorithm with a 2048-bit key length. TLS protocols are not enabled (TLS 1.0, 1.1, 1.2, 1.3 all false), which is unusual and may indicate incomplete SSL/TLS configuration or scanning limitations. Performance metrics indicate fast load times and minimal resource usage. The site is mobile-optimized with good accessibility features such as skip links and ARIA labels. No CMS or specific frameworks were detected in the HTML. The site uses a cookie consent mechanism with optional Google Analytics tracking, respecting user privacy. Technical debt appears low, but security configuration improvements are recommended to reduce risk and improve compliance.
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. 79/100Low28 findingsView report
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