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Security report for arringtoncapital.com

Arrington Capital · Technology · N/a

High risk. 8 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

49/100

Risk levelHigh

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

Arrington Capital is a specialized investment firm focused on digital assets and Web3 technologies, operating since 2017 with a portfolio exceeding 200 early-stage crypto companies. The firm targets crypto entrepreneurs and investors, providing capital and strategic support to foster innovation in the blockchain ecosystem. Their website reflects a professional and consistent brand image, leveraging modern web technologies and SEO tools to maintain digital presence. Technically, the site is built on WordPress with integrations such as Google Analytics and Tag Manager, ensuring moderate performance and good mobile optimization. Security posture is adequate with HTTPS enforced, but lacks advanced security headers and published security policies. The absence of WHOIS data for the domain introduces some uncertainty regarding domain legitimacy, although the website content and business model appear credible and well-established. Privacy and cookie policies are not explicitly presented, indicating room for compliance improvement. Overall, the site is professional and trustworthy but would benefit from enhanced transparency and security documentation.

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. 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 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. 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 arringtoncapital.com

This scan found 27 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

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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

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
72
Security headers
15
Email security
70
DNS health
60
Network security
40
GDPR outside view
35
Average
49

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

Arrington Capital holds a strong position in the niche market of crypto and Web3 venture investments, leveraging a crypto-native team to back early-stage startups. Their business model centers on thesis-driven investments, emphasizing collaboration and support for founders. The firm’s digital presence is well-maintained, targeting a specialized audience of crypto investors and entrepreneurs. While the website lacks detailed corporate disclosures such as physical addresses or phone contacts, the presence of professional branding and a sizable portfolio suggests a medium-sized enterprise with a focused market approach. The lack of WHOIS data and privacy policies may impact trust among cautious investors or partners. No direct partnerships or subsidiaries are identified from the website content.

Security posture

The website enforces HTTPS and uses reputable analytics tools, indicating baseline security hygiene. However, the absence of key security headers (e.g., Content-Security-Policy, X-Frame-Options) and lack of published security or incident response policies reduce the overall security maturity. No vulnerability disclosures or security.txt files are present, limiting transparency for security researchers. The site does not expose sensitive data or show signs of vulnerable libraries, but the missing WHOIS data and lack of privacy/cookie policies represent compliance gaps. Incident response readiness and data protection officer contacts are not found, suggesting limited public security governance documentation. Overall, the security posture is moderate but could be significantly improved with better policy publication and header implementation.

Recommendations

  1. Publish comprehensive privacy and cookie policies with clear GDPR compliance statements.
  2. Implement and configure security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to enhance protection against common web attacks.
  3. Provide a publicly accessible vulnerability disclosure policy or security.txt file to improve transparency and encourage responsible reporting.
  4. Add incident response contact information and consider appointing a Data Protection Officer with contact details to demonstrate commitment to data protection.
  5. Investigate and resolve the missing WHOIS data issue to improve domain registration transparency and trustworthiness.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Arrington Capital
Description
Arrington Capital is a thesis-driven firm dedicated to investing in digital assets and Web3. Since 2017, they have invested in over 200 early-stage companies within the crypto ecosystem. The team consists of seasoned entrepreneurs, founders, and executives committed to supporting founders in the space.
Key services
Early-stage investment, Portfolio support, Collaboration with founders
Content quality
good
Branding
consistent

Technology

Stack
jQuery, Google Tag Manager, Google Analytics, Yoast SEO
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
75/100
Good practices seen
  • HTTPS enabled
  • No exposed sensitive data in HTML
  • Use of Google Tag Manager for analytics

Analytics and tracking

Services
Google Analytics
Tracking level
moderate
Privacy practices
basic

Advertising

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 challenges.
  2. No privacy, cookie, or terms of service policies explicitly found on the homepage or footer.
  3. Contact information limited to two emails for investors and general contact; no phone numbers or physical addresses found.
  4. No security or incident response policies published.
  5. Use of modern analytics and SEO tools indicates digital maturity.
  6. WHOIS data missing, which is a concern for domain legitimacy verification.
Technical notes

Notes

The website is built on WordPress CMS, utilizing jQuery and Google Tag Manager for analytics and tracking. The site loads CSS and JavaScript resources efficiently, with a moderate performance profile and good mobile responsiveness. SEO is enhanced by the Yoast SEO plugin, with proper meta tags and structured JSON-LD data describing the organization and webpage. Accessibility is basic but functional. There is no evidence of outdated or vulnerable libraries in the provided HTML content. Hosting provider details are not disclosed. The site lacks advanced technical security configurations such as HTTP security headers. Overall, the technical infrastructure supports a professional online presence but has opportunities for modernization and security hardening.
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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