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Security report for catcatnya.com

CatCatNya~ · Technology · Denmark

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

Security score

70/100

Risk levelMedium

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

CatCatNya~ operates as a niche Mastodon instance targeting a community interested in cats and left-wing themes. It provides a federated social media platform allowing users to engage in the fediverse with features such as trending hashtags and profile directories. The platform is based on an open-source Mastodon fork named Catstodon, indicating a commitment to transparency and community-driven development. The website is relatively new, founded in 2021, and maintains a small but active user base. Technically, the site employs modern web technologies including Ruby on Rails and React, with a moderate performance profile and good mobile optimization. Security practices include HTTPS enforcement and script integrity checks, but lack advanced security headers and formal policies. Privacy compliance is limited, with no cookie consent or GDPR-specific disclosures. Overall, the site is safe for general audiences and maintains moderate trustworthiness within its niche.

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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Keep watching catcatnya.com

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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
95
Security headers
85
Email security
70
DNS health
75
Network security
40
GDPR outside view
53
Average
70

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 business model centers on providing a federated social media service within the Mastodon ecosystem, focusing on a specialized community. The platform's competitive advantage lies in its unique branding and community focus, leveraging open-source software to reduce costs and increase transparency. Revenue streams are not explicit but likely rely on community support or donations typical for Mastodon instances. The target audience includes Mastodon users interested in left-wing politics and cat-related content. Growth indicators include an active user count of approximately 120 monthly active users. The ecosystem includes links to the open-source repository and app download pages, suggesting an engaged developer and user community. Strategic observations highlight the need for improved privacy compliance and security policies to enhance credibility and user trust.

Security posture

The security posture is moderate, with HTTPS properly configured and script integrity attributes used to prevent tampering. However, the absence of DNSSEC and security headers such as Content-Security-Policy and X-Frame-Options reduces the overall security maturity. No vulnerabilities or exposed sensitive data were detected in the HTML content. The lack of published security policies and incident response contacts indicates limited preparedness for security incidents. Compliance with GDPR is partial, lacking cookie consent mechanisms and detailed privacy disclosures. The site would benefit from implementing security best practices and formalizing incident response processes to improve resilience and user trust.

Recommendations

  1. Enable DNSSEC on the domain to enhance DNS security and prevent spoofing.
  2. Implement comprehensive security headers including Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security.
  3. Add cookie consent banners and update privacy policies to align with GDPR requirements.
  4. Publish a dedicated security policy and provide clear incident response contact information.
  5. Conduct regular security audits of third-party scripts and dependencies to mitigate vulnerabilities.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
CatCatNya~
Description
We are CatCatNya~, a left-wing instance founded by cats, for cats (and more!)
Key services
Mastodon social networking, Hashtag trending exploration, Profile directory
Content quality
good
Branding
consistent

Technology

Stack
Ruby on Rails, React, Webpack, Mastodon fork (Catstodon)
Frameworks
Ruby on Rails, React
Platforms
Fediverse (Mastodon)
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
75/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Use of integrity attributes on scripts and stylesheets

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
moderate

Key observations

  1. Website is a Mastodon instance focused on a niche community (cats and left-wing themes).
  2. No privacy or cookie consent banners found despite GDPR relevance.
  3. No explicit contact emails or phone numbers found on the page.
  4. Open source Mastodon fork (Catstodon) is linked, indicating transparency.
  5. No terms of service or security policy pages detected.
  6. Site uses HTTPS with good script integrity attributes.
  7. No advertising or tracking scripts detected.
  8. Content is safe and suitable for general audiences.
Technical notes

Notes

The website is built on a modern technology stack combining Ruby on Rails backend with React frontend components, leveraging Webpack for asset bundling. The use of modulepreload and integrity attributes on scripts and stylesheets indicates attention to performance and security. Hosting is managed via a registrar based in Denmark, with no privacy protection on WHOIS data, supporting transparency. Performance is moderate, with good mobile optimization and basic accessibility features. SEO is basic but includes relevant meta tags and Open Graph data for social sharing. Technical risks include missing DNSSEC and security headers, which could be addressed to improve overall security posture. The site’s open-source nature and active development repository suggest ongoing maintenance and potential for future enhancements.
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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