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Security report for polkadot.com

Polkadot · Technology · N/a

Low risk. 4 critical or high findings in GDPR outside view, SSL/TLS and 1 other check.

Security score

79/100

Risk levelLow

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

Polkadot is a leading blockchain platform designed to enable interoperability and scalability for Web3 applications. It targets developers, blockchain builders, and users seeking decentralized ownership and governance. The platform offers key services such as SDKs, DAO governance, staking, and bridges to other blockchains, positioning itself as a core infrastructure provider in the blockchain ecosystem. Technically, the website is built on modern frameworks like React and Next.js, hosted on AWS, and uses Sanity CMS for content management. It integrates analytics and consent management tools, reflecting a mature digital infrastructure. Security-wise, the site enforces HTTPS, provides cookie consent, and links to active bug bounty programs, though it lacks explicit security policies and incident response contacts. Overall, the site is professional, trustworthy, and compliant with privacy regulations, with minor recommendations to enhance DNS security and publish security policies.

Scanned

NIS2 and GDPR posture

GDPR outside view
53/ 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

4 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.

    • High

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

    • 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

  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

  3. DNS health

    DNS sends visitors and email to the right servers. Misconfigured records can cause outages or let someone redirect your traffic.

    • High

      Unregistered MX Record

      MX record points to unregistered domain:

      What to do: Remove or fix MX record pointing to unregistered domain

      • RFC 5321 §5.1
      • NIS2 21(2)(i)
      • IR 2024/2690 12.4: Implementing Regulation (EU) 2024/2690, Annex point 12.4: Asset inventory
      • NIST CM-8: NIST SP 800-53 Rev. 5 CM-8: System Component Inventory

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

Keep watching polkadot.com

This scan found 16 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

Email alerts on material changes and an exportable JSON history of every change.

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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
82
Security headers
85
Email security
85
DNS health
70
Network security
100
GDPR outside view
53
Average
79

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

Polkadot holds a strong market position as a scalable and interoperable blockchain platform, catering to a broad developer and user base in the Web3 space. Its business model focuses on platform services, developer support, and ecosystem growth through grants and community engagement. The presence of bug bounty programs and active social media channels indicates a robust partnership ecosystem and commitment to security. The domain's long history and consistent registration details reinforce credibility. Polkadot's strategic focus on interoperability and DAO governance differentiates it in the competitive blockchain market.

Security posture

The website demonstrates a good security posture with HTTPS enforcement, cookie consent mechanisms, and links to bug bounty programs. However, it lacks visible security headers and explicit incident response contact information, which are important for transparency and rapid vulnerability handling. The absence of DNSSEC is a minor security gap. No vulnerabilities or exposed sensitive data were detected in the analysis. Compliance with GDPR is indicated by comprehensive privacy and cookie policies. Overall, the security maturity is solid but could be improved with published security policies and enhanced DNS security.

Recommendations

  1. Enable DNSSEC on the domain to strengthen DNS security and prevent spoofing.
  2. Publish a security.txt file to provide clear vulnerability disclosure and incident response contacts.
  3. Add standard security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security.
  4. Disclose a formal security policy page detailing security frameworks and certifications if applicable.
  5. Maintain and promote transparency by providing direct security contact emails (e.g., security@ or abuse@).
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Polkadot
Description
Polkadot is a scalable, secure, and resilient blockchain platform designed for builders and users demanding true ownership. It enables interoperability and mass adoption of Web3 technologies.
Key services
Blockchain platform, SDK for developers, DAO governance, Bridges, Staking, Developer grants and funding
Content quality
excellent
Branding
consistent

Technology

Stack
React, Next.js, Sanity CMS, Hotjar, Google Tag Manager, Plausible Analytics, Osano Consent Management
Frameworks
React, Next.js
Platforms
AWS (inferred from AWS DNS servers)
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism
  • Bug bounty program linked

Analytics and tracking

Services
Plausible Analytics, Hotjar, Google Tag Manager
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Hotjar, Plausible
Marketing tools
Osano Consent Management
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 challenges.
  2. Comprehensive privacy and cookie policies with consent mechanism implemented.
  3. No explicit security policy or incident response contact found on site.
  4. Active bug bounty program linked, indicating proactive security posture.
  5. Strong technical stack using modern frameworks and CMS.
  6. Good SEO and accessibility practices observed.
  7. Multiple social media and community engagement channels present.
  8. No suspicious or malicious content detected.
  9. WHOIS data supports legitimacy and trustworthiness.
Technical notes

Notes

The website leverages a modern technology stack including React and Next.js frameworks, with Sanity CMS for content management. Hosting is provided by AWS, inferred from DNS nameservers. Performance is fast with good mobile optimization and accessibility features. Analytics tools include Plausible and Hotjar, integrated with Google Tag Manager. The site uses Osano for cookie consent management, indicating compliance with privacy regulations. The technical implementation is robust, with opportunities to enhance security headers and DNS security. The site structure and SEO metadata are well implemented, supporting discoverability and user experience.
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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