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Security report for rust-lang.org

Rust Team · Technology · N/a

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

Security score

68/100

Risk levelMedium

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

Rust-lang.org is the official website for the Rust programming language, a modern, high-performance systems programming language designed for reliability and efficiency. The site serves a global developer audience, providing comprehensive learning resources, tooling information, community engagement, and corporate sponsorship details. The Rust project is community-driven and supported by the Rust Foundation and multiple corporate sponsors, positioning it as a leading technology in the programming language market. Technically, the website is well-structured, mobile-optimized, and fast-loading, using standard web technologies such as HTML5, CSS, and JavaScript. Hosting and DNS are managed via Amazon Registrar, Inc., indicating reliable infrastructure. The site lacks some advanced security headers and cookie consent mechanisms but enforces HTTPS and domain registration protections. From a security perspective, the site demonstrates a mature posture with no visible vulnerabilities or exposed sensitive data. The presence of a dedicated security policy and vulnerability disclosure page indicates good governance. However, enabling DNSSEC and adding explicit security headers would further enhance security. Privacy compliance is strong with a comprehensive privacy policy, though cookie consent mechanisms are absent. Overall, rust-lang.org is a professional, trustworthy, and well-maintained site that effectively supports its community and business goals. Strategic improvements in security headers and cookie consent would elevate its security and compliance posture further.

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

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 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 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

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

Keep watching rust-lang.org

This scan found 23 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

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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
85
Security headers
15
Email security
75
DNS health
80
Network security
100
GDPR outside view
53
Average
68

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 rust-lang.org, from OffSeq Breach.

Total records
390
Employees
0
Customers
354
Third parties
36
Weak passwords
16%

8 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 rust-lang.org.

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

Rust-lang.org operates as the digital face of the Rust programming language project, which is an open-source initiative supported by a large community and corporate sponsors via the Rust Foundation. Its market positioning is strong within the technology sector, particularly among developers and organizations seeking reliable, efficient systems programming solutions. The business model centers on community engagement, open-source development, and foundation-backed sponsorship rather than direct commercial sales. The site supports growth through extensive documentation, tooling, and community resources, fostering adoption and ecosystem expansion. Partnerships with corporate sponsors and a transparent governance model strengthen its competitive advantage and sustainability.

Security posture

The website exhibits a solid security posture with HTTPS enforced and domain registration protections such as clientDeleteProhibited and clientTransferProhibited status flags. The presence of a security policy and vulnerability disclosure page reflects a proactive security culture. No critical vulnerabilities or exposed sensitive data were detected. However, the absence of DNSSEC and explicit security headers (e.g., CSP, HSTS) represents areas for improvement. Privacy compliance is well addressed through a comprehensive privacy policy, though cookie consent mechanisms are missing. Incident response readiness is implied but contact channels for security issues are not explicitly listed. Overall, the site maintains a good security baseline suitable for its community and informational role.

Recommendations

  1. Enable DNSSEC to enhance DNS security and prevent spoofing.
  2. Implement standard security headers such as Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), and X-Frame-Options.
  3. Add a cookie consent mechanism if cookies or tracking technologies are used to improve privacy compliance.
  4. Publish explicit security incident contact channels (e.g., security@ or abuse@ email addresses) for improved incident response transparency.
  5. Regularly review and update privacy and security policies to maintain compliance with evolving regulations and best practices.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Rust Team
Description
Rust is a programming language empowering everyone to build reliable and efficient software. It is community-driven and supported by the Rust Foundation and corporate sponsors.
Key services
Programming language development, Documentation and learning resources, Community engagement, Tooling and ecosystem support
Content quality
excellent
Branding
consistent

Technology

Stack
HTML5, CSS, JavaScript
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Domain status includes clientDeleteProhibited, clientTransferProhibited, clientUpdateProhibited

Analytics and tracking

Tracking level
minimal
Privacy practices
good

Advertising

Transparency
poor

Site quality

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

Key observations

  1. Website is fully accessible with rich content and multiple language support.
  2. Strong community and corporate backing evident.
  3. No contact emails or phone numbers explicitly listed on main site.
  4. No cookie consent mechanism detected despite privacy policy presence.
  5. No visible security headers in HTML content; recommend adding.
  6. No analytics or tracking scripts detected in provided HTML.
  7. Social media presence includes Mastodon, Bluesky, YouTube, GitHub.
  8. No forms detected in the provided HTML content.
  9. No JSON-LD structured data found in the HTML.
Technical notes

Notes

The website uses a clean, modern tech stack with HTML5, CSS, and JavaScript, delivering fast performance and excellent mobile responsiveness. Hosting is managed through Amazon Registrar, Inc., indicating reliable infrastructure. The site lacks a CMS or complex frameworks, which reduces attack surface and technical debt. SEO and accessibility are well implemented with proper meta tags and language alternates. No analytics or tracking scripts were detected, indicating minimal user tracking. The absence of JSON-LD structured data is a minor SEO opportunity. Overall, the technical implementation is robust, with opportunities to enhance security headers and privacy mechanisms.
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

Earlier scans of this domain

  1. 81/100Low25 findingsView report
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