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Security report for wintermute.com

Wintermute · Finance · N/a

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

Security score

75/100

Risk levelMedium

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

Wintermute is a leading algorithmic trading firm specializing in digital assets, focusing on creating liquid and efficient markets. The company offers a broad range of services including OTC trading, liquidity provision, DeFi governance, and ventures, targeting institutional and professional traders in the cryptocurrency space. The website reflects a mature digital presence with modern technologies such as Next.js and Vercel hosting, supported by analytics and marketing tools like HubSpot and Google Tag Manager. Security posture is solid with HTTPS enforced and no visible vulnerabilities, though the absence of security headers and explicit privacy policies indicates room for improvement. The lack of WHOIS data reduces domain trustworthiness, suggesting the need for further verification. Overall, Wintermute presents a professional and credible business front with a strong focus on finance and technology.

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 X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

    • 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

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

Keep watching wintermute.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.

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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
72
Security headers
35
Email security
75
DNS health
80
Network security
100
GDPR outside view
88
Average
75

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

Wintermute operates in the finance sector, specifically in algorithmic trading and liquidity provision for digital assets. Its market position is strong as a leading firm in this niche, offering diverse services such as OTC trading, DeFi governance, and venture investments. The business model revolves around leveraging technology to provide efficient market access and liquidity solutions. The company targets institutional clients and professional traders, supported by a sophisticated digital infrastructure. Partnerships and subdomains indicate an ecosystem approach, though explicit partner domains are not listed. Growth indicators include a comprehensive service portfolio and advanced technical deployment.

Security posture

The website demonstrates a good security baseline with HTTPS enabled and no apparent exposure of sensitive data. However, the absence of key security headers such as Content-Security-Policy and X-Frame-Options suggests potential improvements. No vulnerability disclosures or incident response contacts are visible, which could hinder rapid response to security events. Privacy compliance is weak due to missing privacy and cookie policies, impacting GDPR adherence. The WHOIS data absence raises concerns about domain legitimacy. Overall, the security maturity is moderate, with recommendations to enhance transparency and technical controls.

Recommendations

  1. Implement comprehensive privacy and cookie policies to improve compliance and user trust.
  2. Add security headers like Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security to strengthen defense-in-depth.
  3. Publish a vulnerability disclosure policy or security.txt file to facilitate responsible reporting.
  4. Provide clear contact information for security incidents, including dedicated abuse or security email addresses.
  5. Regularly audit third-party scripts and dependencies to mitigate risks from external libraries.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Wintermute
Description
A leading algorithmic trading firm, focused on harnessing the chaos of digital assets into liquid and efficient markets.
Key services
OTC trading, Liquidity provision, DeFi services, Ventures, Algorithmic trading, API Liquidity, Node services
Content quality
good
Branding
consistent

Technology

Stack
React, Next.js, Vercel Analytics, Vercel Speed Insights, HubSpot Analytics, Google Tag Manager
Frameworks
Next.js
Platforms
Vercel
Performance
fast
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Use of modern JavaScript frameworks
  • No visible sensitive data exposure

Analytics and tracking

Services
HubSpot Analytics, Google Tag Manager, Vercel Analytics
Tracking level
moderate
Privacy practices
basic

Advertising

Tracking pixels
HubSpot Analytics
Marketing tools
HubSpot
Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenge
  2. Professional and modern design with clear navigation
  3. Strong focus on algorithmic trading and digital asset liquidity
  4. Use of multiple HubSpot scripts for analytics and marketing
  5. No visible contact emails or phone numbers in provided content
  6. No explicit privacy, cookie, or terms of service pages detected
  7. WHOIS data missing, indicating possible privacy protection or unregistered domain
Technical notes

Notes

Wintermute's website is built on a modern React-based framework (Next.js) and hosted on Vercel, ensuring fast performance and scalability. The site uses multiple analytics and marketing tools, primarily HubSpot and Google Tag Manager, indicating a data-driven approach to user engagement. Mobile optimization and accessibility are well addressed, with responsive design and semantic HTML usage. However, the lack of a CMS suggests custom development, which may require ongoing maintenance. Technical risks include reliance on third-party scripts without visible security controls and missing security headers. Overall, the technical infrastructure is robust but could benefit from enhanced security configurations and privacy features.
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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