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Security report for slowmist.com

SlowMist Limited · Technology · China

Medium risk. 5 critical or high findings in Security headers and GDPR outside view.

Security score

69/100

Risk levelMedium

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

SlowMist Limited is a blockchain security firm established in 2018, specializing in comprehensive security services for the blockchain ecosystem including exchange audits, wallet audits, smart contract audits, and threat intelligence. The company has established itself as a reputable international player with partnerships with major security firms and citations by UN bodies. Technically, the website employs modern JavaScript libraries and frameworks to deliver a professional user experience, though mobile optimization and accessibility could be improved. Security posture is strong with HTTPS and no visible vulnerabilities, but the absence of explicit privacy and cookie policies and missing WHOIS data present compliance and trust challenges. Overall, the company demonstrates a mature security focus with room for improvement in transparency and privacy compliance.

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

5 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 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

    • 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

    • High

      Third-party services without privacy policy

      Detected services: Twitter

      What to do: Document all third-party data sharing in your privacy policy

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

Keep watching slowmist.com

This scan found 22 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
95
Security headers
65
Email security
55
DNS health
65
Network security
100
GDPR outside view
35
Average
69

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

SlowMist operates in the blockchain security sector targeting exchanges, wallet providers, and DeFi projects. Its business model is B2B cybersecurity services supplemented by SaaS products like AML software and threat intelligence platforms. The company leverages strategic partnerships with global security firms and has a strong market position evidenced by its client portfolio and international recognition. Growth is supported by continuous product development and open-source contributions. However, the lack of publicly available WHOIS data and privacy policies may affect trust among privacy-conscious clients.

Security posture

The website enforces HTTPS and shows no signs of exposed sensitive data or vulnerable libraries. Security best practices such as security headers are not visibly implemented, and no security.txt file or explicit incident response contact emails are provided. The company offers incident response services, indicating operational readiness. Compliance with GDPR and cookie consent mechanisms is lacking, which could pose regulatory risks. Overall, the security posture is solid but could be enhanced with improved transparency and compliance documentation.

Recommendations

  1. Implement and publish comprehensive privacy and cookie policies with user consent mechanisms to improve compliance.
  2. Add security headers such as Content-Security-Policy, Strict-Transport-Security, and X-Content-Type-Options to enhance security posture.
  3. Publish a security.txt file to facilitate vulnerability disclosure and improve transparency.
  4. Enhance accessibility and mobile optimization to improve user experience across devices.
  5. Clarify domain registration details and ensure WHOIS information is consistent with business claims to strengthen trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
SlowMist Limited
Description
SlowMist is a blockchain security firm established in January 2018 by a team with over ten years of network security experience. It is a renowned international blockchain security firm that has worked on well-known projects such as HashKey Exchange, OSL, MEEX, BGE, BTCBOX, Bitget, BHEX.SG, OKX, Binance, HTX, Amber Group, Crypto.com, etc. The company offers security audits, threat intelligence, defense deployment, security consulting, AML software, and SaaS products.
Key services
Exchange Security Audit, Wallet Security Audit, Blockchain Security Audit, Smart Contract Security Audit, Security Consulting, Defense Deployment, Blockchain Threat Intelligence, Red Teaming, Security Monitoring, Incident Response
Content quality
good
Branding
consistent

Technology

Stack
jQuery 3.5.1, Swiper 3.4.0, Vivus.js, fullPage.js, CSS animations
Performance
moderate
Mobile
basic
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • No visible vulnerable libraries
  • No forms with sensitive inputs detected

Analytics and tracking

Tracking level
minimal
Privacy practices
poor

Advertising

Transparency
poor

Site quality

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

Key observations

  1. Website is fully accessible with rich content and navigation
  2. No privacy or cookie policies explicitly found
  3. Contact email is provided but no phone or physical address found
  4. Strong focus on blockchain security services and products
  5. Multiple external links to related blockchain security tools and platforms
  6. No forms detected that collect user data
  7. No visible security headers in HTML source
  8. No analytics or tracking scripts detected
  9. No advertising or marketing scripts detected
Technical notes

Notes

The website uses a modern JavaScript stack including jQuery, Swiper, Vivus, and fullPage.js to deliver an interactive and animated user experience. The site is moderately performant with basic mobile optimization and accessibility features. No CMS or hosting provider information is evident. The absence of analytics and tracking scripts suggests a privacy-conscious approach but limits marketing insights. Technical risks are minimal, though the lack of security headers and privacy compliance features represent areas for modernization.
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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