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Security report for coinbase.com

Coinbase · Finance · United States

Low risk. 3 critical or high findings in Security headers and SSL/TLS.

Security score

84/100

Risk levelLow

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

Coinbase is a leading global cryptocurrency exchange platform offering secure buying, selling, and wallet services for digital assets such as Bitcoin and Ethereum. The website targets a broad audience interested in cryptocurrency trading, providing a professional and well-branded user experience. The technical infrastructure leverages modern web technologies including React and JavaScript modules, with strong mobile optimization and accessibility features. Cookie consent and privacy policies are comprehensive and GDPR compliant, reflecting a mature privacy posture. Security practices include HTTPS enforcement and cookie consent mechanisms, though explicit security headers and incident response contacts are not evident in the provided data. The WHOIS data is unavailable or protected, which is unusual for a major enterprise but does not detract significantly from the site's legitimacy given the strong branding and market presence. Overall, Coinbase's website demonstrates a high level of professionalism, security, and compliance suitable for its enterprise scale and industry.

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

3 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 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
    • 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 coinbase.com

This scan found 12 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
57
Security headers
70
Email security
100
DNS health
90
Network security
100
GDPR outside view
88
Average
84

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

Coinbase operates in the finance and technology sectors as an essential entity providing cryptocurrency exchange and wallet services. Its business model revolves around facilitating secure digital asset transactions for retail and institutional customers. The company maintains a strong market position as a leading cryptocurrency platform with a large user base. The website content and structure support clear navigation and user engagement, with trust signals such as HTTPS, structured contact data, and comprehensive privacy policies. The presence of related domains like coinbasepro.com indicates a diversified service offering. The company targets a global audience with localized content, including the German market as seen in the provided URL. Strategic partnerships and compliance with GDPR further enhance its business credibility.

Security posture

The website enforces HTTPS and implements cookie consent management via OneTrust, indicating a commitment to user privacy and security. However, the absence of explicit security headers such as Content-Security-Policy or X-Frame-Options suggests room for improvement in hardening the web application. No incident response or vulnerability disclosure information is found, which could be enhanced to improve transparency and trust. The lack of WHOIS data reduces visibility into domain registration details, but the overall security posture is strong given the enterprise nature of the business and the absence of visible vulnerabilities or exposed sensitive data. Recommendations include publishing a security policy, adding security headers, and providing clear incident response contacts.

Recommendations

  1. Implement and publish explicit security headers like Content-Security-Policy and X-Frame-Options to enhance protection against common web attacks.
  2. Provide a dedicated security policy page outlining security practices and incident response procedures.
  3. Publish vulnerability disclosure guidelines or a security.txt file to facilitate responsible reporting of security issues.
  4. Enhance WHOIS transparency if possible to improve domain registration trustworthiness.
  5. Maintain and regularly update cookie and privacy policies to ensure ongoing GDPR compliance and user trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Coinbase
Description
Coinbase is a platform to buy and sell cryptocurrencies such as Bitcoin and Ethereum securely.
Key services
Cryptocurrency buying, Cryptocurrency selling, Secure wallet services
Content quality
excellent
Branding
consistent

Technology

Stack
React (implied by JSX and module scripts), JavaScript ES Modules, OneTrust (cookie consent management), VeriSign (registry for domain)
Frameworks
React
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
excellent

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent banner implemented
  • No exposed sensitive data in HTML

Analytics and tracking

Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
OneTrust
Marketing tools
OneTrust cookie consent
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenge
  2. Comprehensive cookie consent and privacy mechanisms implemented
  3. No forms detected in provided HTML snippet
  4. Contact phone number provided in structured data
  5. No explicit security policy or incident response contact found
  6. WHOIS data unavailable, possibly due to privacy or registry restrictions
  7. Strong branding and professional design consistent with a major financial services company
Technical notes

Notes

The website uses a modern tech stack with React and JavaScript ES modules, supporting fast loading and excellent mobile responsiveness. Cookie consent is managed by OneTrust, a recognized privacy compliance tool. The site includes comprehensive meta tags and structured data for SEO and social media integration. No CMS or hosting provider details are explicitly detected. Performance appears fast with optimized assets and preloading strategies. Accessibility features are present but could be further audited for compliance. The technical implementation aligns well with enterprise standards, though adding security headers and incident response mechanisms would strengthen the overall technical security posture.
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. 87/100 +2Low18 findingsView report
  2. 85/100 +6Low19 findingsView report
  3. 79/100Low18 findingsView report
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