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Security report for tilde.zone

The tilde.zone Team · Technology · United States

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

Security score

71/100

Risk levelMedium

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

tilde.zone operates as a niche Mastodon instance within the fediverse, providing a platform for social networking focused on collaboration, creativity, and community engagement. The service is community-driven and targets users interested in open social networks without ads or algorithms. The website is technically modern, leveraging React, TypeScript, and Ruby on Rails, and is optimized for mobile devices. It uses HTTPS and WebSockets for real-time communication, but lacks some advanced security configurations such as DNSSEC and security headers. Privacy compliance is basic, with a privacy policy present but no cookie consent mechanism or terms of service. Contact information is not publicly visible, which is common for community-run platforms. Overall, the site is trustworthy and professional, but could improve in privacy and security practices.

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

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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  • 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
95
Security headers
75
Email security
80
DNS health
85
Network security
40
GDPR outside view
53
Average
71

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 serves a small but active user base (344 monthly active users) and is administered by a team identified as 'The tilde.zone Team'. It operates in the technology sector, specifically in decentralized social networking. The business model is community-centric, likely relying on donations or volunteer support rather than commercial revenue. The open source nature and links to GitHub indicate transparency and community involvement. The platform's market position is as a specialized Mastodon server within the broader fediverse, appealing to users seeking a smaller, privacy-conscious social network. Partnerships or subsidiaries are not evident, and the domain registration uses privacy protection, which is justified for this type of service.

Security posture

Security posture is moderate with HTTPS enforced and domain transfer protection enabled. However, DNSSEC is not enabled, which could expose the domain to DNS spoofing risks. No advanced security headers were detected in the HTML content, and no explicit incident response or security policies are published. The absence of cookie consent and terms of service may present compliance gaps, especially under GDPR. No vulnerabilities or exposed sensitive data were found in the content. The platform would benefit from implementing DNSSEC, security headers, and formal security and incident response documentation to enhance trust and compliance.

Recommendations

  1. Enable DNSSEC on the domain to improve DNS security.
  2. Implement security headers such as Content-Security-Policy and X-Frame-Options.
  3. Add a cookie consent mechanism to comply with privacy regulations.
  4. Publish clear terms of service and incident response policies.
  5. Provide visible contact information for security and abuse reporting.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
The tilde.zone Team
Description
mastodon instance of the tildeverse, a collection of small public access *nix systems for collaboration, creativity, and socializing. a proud part of the small internet.
Key services
Mastodon social networking, Public access Unix systems, Collaboration and creativity platform
Content quality
good
Branding
consistent

Technology

Stack
Mastodon 4.5.0-alpha.1+glitch, React, TypeScript, Rails UJS, WebSockets (wss)
Frameworks
Ruby on Rails, React
Platforms
Fediverse, Mastodon
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
70/100
Good practices seen
  • HTTPS enforced
  • Client transfer prohibited domain status

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 focused on community and collaboration
  2. Content is user-generated social posts with external news links
  3. No explicit privacy or cookie consent mechanisms detected
  4. No visible contact emails or phone numbers on main pages
  5. Uses modern web technologies and is mobile optimized
  6. No signs of malicious or suspicious content
  7. WHOIS privacy protection is used but justified
  8. No advertising or tracking scripts detected
Technical notes

Notes

The website uses a modern tech stack including Mastodon 4.5.0-alpha.1+glitch, React, TypeScript, and Ruby on Rails. It leverages WebSockets for streaming API connections and serves media from a dedicated media subdomain. The site is mobile optimized and uses a responsive design. Performance is moderate, with multiple preloaded scripts and stylesheets. No CMS is detected, as the platform is custom-built on Mastodon. Hosting appears stable with Hurricane Electric DNS servers and NameSilo as registrar. Technical debt is minimal, but the lack of DNSSEC and security headers indicates room for modernization in security practices.
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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