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Security report for chaos.social

chaos.social · Technology · N/a

Medium risk. 2 critical or high findings in GDPR outside view.

Security score

73/100

Risk levelMedium

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

chaos.social is an independent Mastodon server serving the Chaos community and broader Fediverse users. It provides a decentralized social networking platform based on the open-source Mastodon software, enabling users to participate in a federated social network. The website demonstrates a good level of technical maturity, employing modern web technologies such as Ruby on Rails and React, with proper security headers and HTTPS enforcement. The content is well-structured and accessible, though privacy compliance could be improved with explicit cookie consent and terms of service documentation. Security posture is strong with no evident vulnerabilities or exposed sensitive data. Overall, chaos.social is a trustworthy and professionally maintained community platform with room for enhanced privacy and security policy transparency.

Scanned

NIS2 and GDPR posture

GDPR outside view
70/ 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

2 findings rated critical or high. Fix these first.

  1. 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

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  • TLS certificates and expiry
  • DNS records
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  • 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
95
Security headers
85
Email security
65
DNS health
85
Network security
40
GDPR outside view
70
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 platform targets users interested in decentralized social networking, particularly those aligned with the Chaos community ethos. Its business model is community-driven without evident commercial monetization or advertising. The site leverages open-source Mastodon technology, positioning itself as a niche player within the Fediverse ecosystem. The absence of direct contact information or formal business registration details suggests a small-scale, community-operated entity. The platform benefits from transparent WHOIS data and active user engagement, indicating a stable and credible presence. Strategic partnerships or subsidiaries are not evident, and the platform focuses on organic community growth and open-source collaboration.

Security posture

The website exhibits a strong security posture with HTTPS enforced and multiple security headers implemented, including Content-Security-Policy and Strict-Transport-Security. There is no evidence of exposed credentials, vulnerable libraries, or insecure forms. However, the absence of a formal security policy, incident response contacts, and vulnerability disclosure mechanisms represents an area for improvement. The platform does not currently provide a security.txt file or dedicated channels for reporting security incidents. Overall, the security maturity is good for a community-driven platform but could benefit from formalized policies and transparency to enhance trust and readiness.

Recommendations

  1. Publish a comprehensive security policy and incident response plan accessible on the website.
  2. Implement a vulnerability disclosure program and provide a security.txt file for responsible reporting.
  3. Add cookie consent mechanisms to comply with privacy regulations and enhance user trust.
  4. Provide clear contact information for business inquiries and security incident reporting.
  5. Enhance accessibility features to improve usability for all users, including those with disabilities.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
chaos.social
Description
chaos.social – a Fediverse instance for & by the Chaos community
Key services
Mastodon social networking, Fediverse participation
Content quality
good
Branding
consistent

Technology

Stack
Mastodon 4.4.5, Ruby on Rails, React, JavaScript ES Modules, Webpack
Frameworks
Ruby on Rails, React
Platforms
Fediverse, Mastodon
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Integrity attributes on scripts and stylesheets
  • No exposed sensitive data in HTML

Analytics and tracking

Tracking level
minimal
Privacy practices
basic

Advertising

Transparency
poor

Site quality

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

Key observations

  1. Website is a Mastodon instance for the Chaos community
  2. Content is publicly accessible without restrictions
  3. No explicit privacy or cookie consent banners found
  4. No contact emails or phone numbers explicitly provided
  5. Uses modern web technologies and good security headers
  6. No advertising or tracking scripts detected
  7. WHOIS data is transparent and consistent with website claims
Technical notes

Notes

The website is built on Mastodon version 4.4.5, utilizing Ruby on Rails backend and React frontend technologies. It employs modern JavaScript modules and integrity checks on scripts and stylesheets, indicating good development practices. The site is mobile-optimized with responsive design and basic accessibility features. Performance is moderate, with efficient asset loading from a dedicated CDN domain (assets.chaos.social). SEO is supported by appropriate meta tags and Open Graph data. No CMS other than Mastodon is detected. Hosting provider details are not explicit but the infrastructure supports WebSocket streaming for real-time updates. Technical risks are minimal, though ongoing maintenance of dependencies and security updates is recommended.
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. 70/100Medium27 findingsView report
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