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Security report for catgirl.cloud

unit ⛧-440729 ["sophie"] · Technology · Germany

Medium risk. 3 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

Catgirl Cloud is a small, privacy-focused platform hosting a variety of free and open source services such as matrix, mastodon, invidious, searxng, and others. The services are maintained by an individual operator known as unit ⛧-440729 ["sophie"]. The platform emphasizes privacy, minimal data retention, and community support through donations. The website is well-structured with clear navigation and provides transparent rules and privacy policies for hosted services. Technically, the platform uses modern containerized deployments managed via Nix and Docker, with a good SSL configuration and no detected security blocking mechanisms. However, some security best practices like DNSSEC and security headers are missing. Privacy compliance is moderate with privacy policies present but no cookie consent or terms of service. Overall, the platform is trustworthy and serves a niche audience of privacy-conscious users seeking open source alternatives.

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 catgirl.cloud

This scan found 18 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
65
Email security
85
DNS health
80
Network security
40
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 catgirl.cloud, from OffSeq Breach.

Total records
36
Employees
0
Customers
36
Third parties
0
Weak passwords
8%

3 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 catgirl.cloud.

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

The business operates as a small-scale, individual-run service provider in the technology sector, focusing on privacy-respecting open source tools. Its business model relies on donations via platforms like Liberapay and Ko-fi. The market position is niche, targeting privacy-conscious users and open source communities. The operator maintains a transparent and community-oriented approach with clear user rules and service status monitoring. There are no commercial advertisements or tracking, reinforcing the privacy-first ethos. The partnership ecosystem includes donation platforms and open source projects but no formal corporate partnerships. Growth indicators are limited but consistent with a stable small operation.

Security posture

The security posture is solid for a small operator with HTTPS enforced and clientTransferProhibited domain status. Some services do not keep access logs, enhancing privacy. The use of custom registration forms for matrix reduces spam risk. However, the absence of DNSSEC, security headers, and explicit security policies limits the maturity level. No incident response or vulnerability disclosure information is published. Data protection practices are aligned with privacy principles but could be improved with formal GDPR compliance measures. Overall, the security culture is privacy-centric but could benefit from formalization and additional controls.

Recommendations

  1. Enable DNSSEC to improve domain security and trust.
  2. Implement standard security headers such as Content-Security-Policy, HSTS, and X-Frame-Options.
  3. Publish a clear security policy and incident response plan accessible to users.
  4. Add a cookie policy and consent mechanism to enhance privacy compliance.
  5. Consider formal GDPR compliance steps including data protection officer designation and data processing disclosures.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
unit ⛧-440729 ["sophie"]
Description
catgirl.cloud hosts free/libre open source privacy-respecting services maintained by an individual operator.
Key services
status monitoring, invidious (YouTube frontend), searxng (metasearch engine), matrix homeserver and webclient, mastodon instance, jitsi meet video conferencing, hedgedoc markdown platform, tor relay node, ntfy push notification server, gitlab git hosting
Content quality
good
Branding
moderate

Technology

Stack
NixOS (deployment and management), Docker containers, matrix-dimension, matrix-monitor-bot, matrix-media-repo, maubot, mautrix-telegram, matrix-hookshot, gitlab-ce
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
75/100
Good practices seen
  • HTTPS enforced
  • clientTransferProhibited domain status
  • no access logs kept for some services
  • custom registration form to mitigate spam

Analytics and tracking

Tracking level
minimal
Privacy practices
good

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 personal/individual-run privacy-focused open source service hosting platform.
  2. No commercial advertising or tracking detected.
  3. Strong emphasis on privacy and minimal data retention.
  4. Multiple privacy-respecting services hosted including matrix, mastodon, invidious, searxng.
  5. No explicit security policy or incident response info published.
  6. No cookie consent or terms of service found.
  7. WHOIS data is privacy protected but consistent with small operator.
  8. No suspicious or malicious content detected.
  9. No WAF or blocking mechanisms detected.
Technical notes

Notes

The website is built using modern containerized technologies managed via Nix and Docker, leveraging well-known open source projects for hosted services. The infrastructure is stable with moderate performance and good mobile optimization. The absence of a CMS suggests a custom or static site approach. Hosting is via a registrar in Germany with DNS servers from desec.io. The website lacks advanced SEO and accessibility features but maintains a clean and functional design. Technical risks include missing DNSSEC and security headers, which could be addressed to improve resilience and compliance.
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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