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Security report for nfx.com

NFX · Technology · N/a

Medium risk. 4 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

75/100

Risk levelMedium

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

NFX is a venture capital firm specializing in pre-seed and seed stage investments, focusing on backing exceptional founders building transformative technology companies. The website presents a professional and content-rich platform, offering educational resources, software tools, and a strong founder community. The technical infrastructure leverages modern web technologies including React and Next.js, with performance and mobile optimization well addressed. Security posture is strong with HTTPS and security headers implemented, though privacy compliance could be improved with a visible cookie consent mechanism. The absence of WHOIS data suggests privacy protection, which is common and justified for this business type. Overall, the site demonstrates a mature digital presence with good trust indicators and a high level of professionalism.

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. 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 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

  3. 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 SSL Key Length

      SSL certificate uses 256-bit key, which is considered weak

      What to do: Use at least 2048-bit RSA or 256-bit ECC key

      • CWE-326
      • OWASP A04:2025
      • Mozilla TLS: Mozilla Server Side TLS 6.0 intermediate: rsa_key_size 2048

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

Keep watching nfx.com

This scan found 19 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
75
Security headers
60
Email security
75
DNS health
85
Network security
100
GDPR outside view
53
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

Breach exposure

Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.

Dark web exposure

Add-on

Leaked records that mention nfx.com, from OffSeq Breach.

Total records
524
Employees
0
Customers
445
Third parties
79
Weak passwords
17%

5 subdomains affected

See the 10 newest leaked credentials

A one-off add-on to this report that lists the most recent identifier and password pairs OffSeq Breach holds for nfx.com.

Select it in the checkout above.

Breach keeps ingesting new leaks, so these numbers can grow between scans.

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

NFX positions itself as a key player in early-stage venture capital with a focus on technology startups. Their business model combines investment with value-added services such as content, software products, and a founder network. The firm targets startup founders and teams, providing tools like Signal and Brieflink to facilitate fundraising. The website's extensive content library and active social media presence support brand authority and market positioning. Partnerships and related domains indicate a well-integrated ecosystem. The lack of direct contact emails or phone numbers suggests a preference for controlled communication channels, typical in VC firms.

Security posture

The website exhibits a strong security posture with enforced HTTPS, comprehensive security headers, and no visible exposure of sensitive data. The use of Partytown to isolate third-party scripts is a positive security practice. However, the absence of a dedicated security policy or incident response page and lack of a vulnerability disclosure policy represent areas for improvement. Privacy compliance is partial, with a privacy policy present but no cookie consent mechanism detected. Overall, the security maturity is good but could be enhanced by formalizing security and incident response documentation.

Recommendations

  1. Implement a visible cookie consent banner to comply with privacy regulations and improve user trust.
  2. Publish a dedicated security policy and incident response page to enhance transparency and preparedness.
  3. Add a vulnerability disclosure policy or security.txt file to encourage responsible reporting of security issues.
  4. Consider providing verified company contact emails or phone numbers to improve business credibility and user support.
  5. Regularly review third-party scripts and tracking technologies to minimize privacy risks and optimize performance.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
NFX
Description
We are a VC firm investing in pre-seed and seed stage startups. We back exceptional Founders building market-transforming companies.
Key services
Venture Capital funding, Founder network and community, Educational content and masterclasses, Software tools for fundraising and growth
Content quality
excellent
Branding
consistent

Technology

Stack
React, Next.js, Google Analytics, Facebook Pixel, Crazy Egg, Partytown
Frameworks
Next.js
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • Security headers present
  • No exposed sensitive data in HTML
  • Use of Partytown to isolate third-party scripts

Analytics and tracking

Services
Google Analytics, Crazy Egg
Tracking level
moderate
Privacy practices
basic

Advertising

Tracking pixels
Facebook Pixel, Crazy Egg
Marketing tools
Partytown
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. Content is rich, professional, and targeted at startup founders and early-stage companies.
  3. Strong social media presence and external news coverage links.
  4. No direct company contact emails or phone numbers found; contact via form only.
  5. No explicit cookie consent mechanism detected.
  6. WHOIS data unavailable, possibly due to privacy protection or domain registration under a different name.
  7. Use of modern web technologies and performance optimization techniques.
  8. Security headers and HTTPS are properly implemented.
Technical notes

Notes

The website is built on a modern React and Next.js stack, ensuring fast performance and excellent mobile responsiveness. It integrates analytics and tracking tools such as Google Analytics, Facebook Pixel, and Crazy Egg, managed efficiently with Partytown to reduce main thread blocking. The content management system appears to be WordPress for the content subdomain, indicating a hybrid architecture. SEO and accessibility are well addressed with proper meta tags and semantic HTML. No major technical debt or vulnerabilities were detected in the visible code. Hosting provider details are not explicitly identified.
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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