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Security report for coinbase.com

Coinbase · Finance · United States

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

Security score

87/100

Risk levelLow

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

Coinbase is a leading cryptocurrency exchange and financial services platform, offering a secure and trusted environment for individuals, businesses, institutions, and developers to buy, sell, store, and manage digital assets. The company provides a broad range of services including retail trading, advanced trading tools, institutional prime brokerage, wallet services, and developer APIs. Coinbase positions itself as a key player in the digital asset economy with a strong market presence and a comprehensive product suite. The website demonstrates a mature technical infrastructure with modern web technologies such as React, modular JavaScript, and progressive web app features. The site is well-optimized for performance, mobile responsiveness, accessibility, and SEO. Security best practices are evident with HTTPS enforcement, security headers, and secure form handling. Privacy and cookie policies are comprehensive and indicate GDPR compliance. Security posture is strong with no visible vulnerabilities or exposed sensitive data. However, explicit incident response contacts and vulnerability disclosure mechanisms are not publicly evident, representing an area for improvement. The WHOIS data is unavailable due to registry restrictions, but the overall trustworthiness of the domain and website content is high. Overall, Coinbase presents a professional, secure, and user-friendly platform with a strong reputation in the cryptocurrency industry. Strategic enhancements in transparency around security incident response and vulnerability disclosure would further strengthen trust and compliance.

Scanned

This is an earlier scan of coinbase.com. View the latest report

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 coinbase.com

This scan found 10 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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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
75
Security headers
70
Email security
100
DNS health
90
Network security
100
GDPR outside view
88
Average
87

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, focusing on cryptocurrency exchange and related financial services. Its business model revolves around transaction fees, institutional services, and developer platform monetization. The company targets a diverse audience including retail investors, institutional clients, developers, and businesses seeking crypto payment solutions. Coinbase's competitive advantage lies in its brand trust, regulatory compliance, broad service offerings, and technological innovation. The company maintains a global presence with multi-language support and regional adaptations. Partnerships with blockchain infrastructure projects like Base and OnchainKit enhance its ecosystem. Growth indicators include expanding institutional services and developer tools. The affiliate program supports marketing and customer acquisition efforts.

Security posture

Coinbase exhibits a high level of security maturity with enforced HTTPS, comprehensive security headers, and secure handling of user inputs. The website does not expose sensitive information in its HTML content. Privacy policies and cookie consent mechanisms align with GDPR requirements. However, the absence of publicly available incident response contacts and vulnerability disclosure programs suggests room for improvement in transparency and proactive security communication. No known vulnerabilities or security misconfigurations were detected in the analyzed content. The company’s security culture appears robust, supported by clear security-related content and trust signals on the website.

Recommendations

  1. Publish explicit incident response and security contact information on the website to improve transparency and facilitate responsible vulnerability reporting.
  2. Implement and publicize a vulnerability disclosure policy or security.txt file to encourage ethical security research and timely remediation.
  3. Regularly update and audit third-party libraries and dependencies to mitigate risks from vulnerable components.
  4. Enhance user education on security best practices and privacy through dedicated resources and FAQs.
  5. Maintain and communicate compliance with emerging regulations such as NIS2 and evolving data protection laws to sustain market trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Coinbase
Description
Coinbase is a secure online platform for buying, selling, transferring, and storing cryptocurrency.
Key services
Cryptocurrency trading, Advanced trading tools, Wallet services, Institutional prime brokerage, Developer APIs and tools, Crypto debit card, Educational resources
Content quality
excellent
Branding
consistent

Technology

Stack
React (implied by JSX and module scripts), JavaScript ES Modules, CSS Modules or Styled Components, JSON-LD structured data, Progressive Web App (manifest.json present)
Frameworks
React
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • Secure forms with proper input types
  • No exposed sensitive data in HTML
  • Use of security icons and trust signals

Analytics and tracking

Tracking level
moderate
Privacy practices
good

Advertising

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 rich content and multiple services offered
  2. Strong branding and consistent design across pages
  3. Comprehensive multi-language and regional support
  4. Clear business focus on cryptocurrency trading and financial services
  5. No signs of phishing or malicious content
  6. No exposed sensitive data or security vulnerabilities detected in HTML
  7. No WHOIS data available from raw output, likely due to registry restrictions
Technical notes

Notes

The website is built using modern web technologies including React and modular JavaScript, enabling a responsive and performant user experience. The use of JSON-LD structured data improves SEO and semantic understanding. The site is optimized for mobile devices and accessibility, with clear navigation and multi-language support. Performance indicators suggest fast loading times and efficient resource management. No CMS was explicitly detected, indicating a custom or proprietary platform. Hosting details are not disclosed in the content. The technical stack supports scalability and integration with various blockchain and financial services, reflecting a mature digital infrastructure. Opportunities exist to enhance transparency around hosting and backend technologies.
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. 84/100 −1Low19 findingsView report
  2. 85/100 +6Low19 findingsView report
  3. 79/100Low18 findingsView report
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