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Security report for purrsec.com

Purrsec · Technology · N/a

Medium risk. 8 critical or high findings in Email security, Security headers and 2 other checks.

Security score

67/100

Risk levelMedium

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

Purrsec is a specialized blockchain explorer dedicated to the Hyperliquid EVM Mainnet, offering users the ability to search addresses, contracts, transactions, and transfers. The platform targets blockchain users, developers, and analysts interested in the Hyperliquid ecosystem. It positions itself as a niche service provider within the blockchain technology sector, leveraging modern web technologies such as React and Cloudflare DNS for infrastructure. The website is professionally designed with good navigation and mobile optimization, providing a solid user experience.

Scanned

NIS2 and GDPR posture

GDPR outside view
35/ 100 · High
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

8 findings rated critical or high. Fix these first.

  1. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • Critical

      No email authentication configured

      Domain is vulnerable to email spoofing

      What to do: Implement SPF, DKIM, and DMARC immediately

  2. 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 Strict-Transport-Security header

      Forces HTTPS connections

      What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"

      • CWE-319
      • OWASP A04:2025
      • ASVS V3.4.1
    • 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';…

  3. GDPR outside view

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

    • High

      No Privacy Policy found

      GDPR requires a clear and accessible privacy policy

      What to do: Add a comprehensive privacy policy page and link to it prominently

    • 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

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

Keep watching purrsec.com

This scan found 20 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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Full report

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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
55
Email security
60
DNS health
75
Network security
100
GDPR outside view
35
Average
67

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

The business operates in the blockchain technology sector, focusing on providing explorer services for the Hyperliquid network. Its business model revolves around offering blockchain data access and analytics, with potential revenue streams from API access or partnerships. The company appears to be a small entity founded recently in 2024, with partnerships linked to hyperliquid.xyz and parsec.fi, indicating a collaborative ecosystem. The absence of explicit contact information and formal policies suggests an early-stage or lean operation.

Security posture

The website enforces HTTPS with a good SSL configuration and domain status protections such as clientDeleteProhibited and clientTransferProhibited. However, it lacks DNSSEC and security headers, which are recommended for enhanced security. No privacy or cookie policies are published, and no incident response or vulnerability disclosure information is available, indicating gaps in compliance and security transparency. No vulnerabilities or exposed sensitive data were detected in the content. Overall, the security posture is moderate but could be improved with additional policies and technical controls.

Recommendations

  1. Enable DNSSEC on the domain to strengthen DNS security.
  2. Publish comprehensive privacy and cookie policies to improve compliance.
  3. Add security headers such as Content-Security-Policy and X-Frame-Options.
  4. Provide clear contact information and incident response channels.
  5. Implement a vulnerability disclosure policy or security.txt file.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Purrsec
Description
Purrsec is a block explorer for the Hyperliquid EVM Mainnet. Search Addresses, Contracts, Transactions And Transfers on the HyperEVM
Key services
block explorer for Hyperliquid EVM, searching addresses, contracts, transactions, transfers, trending activity and metrics, contract verification, API documentation
Content quality
good
Branding
consistent

Technology

Stack
JavaScript, React, Cloudflare DNS, Google Fonts, Font Awesome
Frameworks
React Router
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Domain status includes clientDeleteProhibited and clientTransferProhibited
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Analytics (via gtag.client script)
Tracking level
moderate
Privacy practices
poor

Advertising

Transparency
basic

Site quality

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

Key observations

  1. Website is a specialized blockchain explorer for Hyperliquid EVM network.
  2. No privacy, cookie, or terms of service pages found.
  3. No contact emails or phone numbers explicitly provided.
  4. No security or incident response policies published.
  5. Modern frontend technology stack with React and Cloudflare DNS.
  6. Good SSL configuration and domain protection status.
  7. Limited external linking to relevant blockchain and service domains.
  8. No signs of adult or questionable content.
  9. No WAF or blocking mechanisms detected.
Technical notes

Notes

The website uses a modern React-based frontend with React Router for navigation. It leverages Cloudflare DNS and Google Fonts for performance and styling. The site is moderately performant with good mobile optimization and basic accessibility features. No CMS is detected, suggesting a custom or static site deployment. The use of multiple preloaded assets and module preloading indicates optimization efforts. However, the absence of advanced accessibility features and some missing security headers represent areas for technical improvement.
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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