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Security report for python.org

Python Software Foundation · Technology · N/a

Medium risk. 3 critical or high findings in Security headers and GDPR outside view.

Security score

73/100

Risk levelMedium

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

Python.org is the official website of the Python Software Foundation (PSF), a non-profit organization dedicated to promoting and advancing the Python programming language. The site serves a global audience of developers, educators, and businesses by providing downloads, documentation, community resources, and news. It holds a strong market position as the authoritative source for Python-related information and community engagement. Technically, the website employs a mature technology stack including jQuery, Modernizr, and Google Analytics, delivering a fast, accessible, and mobile-optimized experience with clear navigation and professional design. Security-wise, the site enforces HTTPS and avoids exposing sensitive data, though it lacks some advanced security headers and explicit incident response information. The WHOIS data is incomplete and malformed, which slightly impacts trust but is mitigated by the site's well-known brand and content quality. Overall, the site is highly professional, trustworthy, and serves its community effectively.

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

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 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 python.org

This scan found 21 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
90
Security headers
45
Email security
75
DNS health
75
Network security
100
GDPR outside view
53
Average
73

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

The Python Software Foundation operates as a non-profit entity supporting the open-source Python language ecosystem. Its business model revolves around community support, event organization, software releases, and educational resources. The foundation targets developers, educators, and organizations using Python, leveraging a strong partnership ecosystem and active community engagement. Revenue streams likely include donations, memberships, and sponsorships. The website reflects a large-scale operation with consistent branding and high content quality, indicating a mature and stable organization with global reach.

Security posture

The website demonstrates a solid security posture with mandatory HTTPS and no visible exposure of sensitive information. However, it lacks explicit security headers such as Content-Security-Policy and X-Frame-Options, which could enhance protection against common web attacks. There is no visible security.txt or detailed incident response contact information, which are best practices for vulnerability disclosure and incident handling. The absence of a cookie consent mechanism may be a minor compliance gap. Overall, the security maturity is good but could be improved with additional headers and transparency.

Recommendations

  1. Implement comprehensive security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  2. Publish a dedicated incident response and security policy page with clear contact channels.
  3. Add a cookie consent banner to comply with privacy regulations and enhance user transparency.
  4. Consider publishing a security.txt file to facilitate vulnerability reporting.
  5. Regularly review WHOIS data and domain registration details to ensure transparency and trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Python Software Foundation
Description
The official home of the Python Programming Language. The Python Software Foundation promotes, protects, and advances the Python programming language and supports a diverse international community of Python programmers.
Key services
Python language development, Community support and events, Documentation and tutorials, Job board, Software downloads
Content quality
excellent
Branding
consistent

Technology

Stack
jQuery 1.8.2, jQuery UI 1.12.1, Modernizr, Google Analytics, EthicalAds, HTML5, CSS3
Performance
fast
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Secure search form with GET method

Analytics and tracking

Services
Google Analytics
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
EthicalAds
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 rich content and navigation.
  2. No signs of blocking or WAF challenges.
  3. WHOIS data is incomplete and malformed.
  4. Strong branding and community presence.
  5. No contact emails or phone numbers explicitly listed on homepage.
  6. Privacy policy and terms of service are present and comprehensive.
  7. No cookie consent banner detected.
  8. Use of EthicalAds and Google Analytics for advertising and analytics.
  9. No explicit security headers detected in HTML content.
  10. No visible vulnerabilities or exposed sensitive data.
Technical notes

Notes

The website uses a classic but stable technology stack with jQuery and Modernizr, ensuring compatibility and accessibility. It loads resources from trusted CDNs and employs EthicalAds for advertising and Google Analytics for user tracking. The site is well-structured with semantic HTML and meta tags supporting SEO and social sharing. Performance is optimized with prefetching and asynchronous script loading. Mobile optimization and accessibility features are well implemented, providing a positive user experience. There is no detected CMS, suggesting a custom or static site architecture. Hosting details are not explicit but likely stable given the domain's reputation.
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. 73/100Medium29 findingsView report
  2. 73/100Medium29 findingsView report
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