Mastodon Hostux · Technology · France
Medium risk. 3 critical or high findings in GDPR outside view.
Hostux.social operates as an independent Mastodon instance serving a European audience interested in privacy, free software, and social networking within the fediverse. The platform is based on Mastodon version 4.3.8 and offers social interaction services to approximately 499 active users. The website content is well-structured and provides relevant information about the service and its administrators, but lacks comprehensive business contact details and formal policies such as terms of service or cookie consent mechanisms. Technically, the site employs modern web technologies including React and WebSockets, but suffers from slow load times and lacks a valid SSL/TLS certificate, resulting in insecure HTTP connections. The absence of HTTPS and security headers significantly weakens the security posture. DNSSEC is disabled and CAA records are improperly configured, further indicating gaps in security best practices. Security evaluation reveals critical vulnerabilities due to missing HTTPS, lack of HSTS, and no OCSP stapling. Privacy compliance is minimal with only a basic privacy policy present and no cookie consent mechanism. No incident response or vulnerability disclosure information is available, which may impact trust and compliance with regulations such as GDPR. Overall, while the platform provides a functional Mastodon service with a clear community focus, it requires urgent improvements in security infrastructure, privacy compliance, and transparency to enhance trustworthiness and protect user data effectively.
Scanned
NIS2 Art. 21(2)
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.
3 findings rated critical or high. Fix these first.
These are the privacy signals visitors and data protection authorities look for under GDPR.
GDPR requires a clear and accessible privacy policy
What to do: Add a comprehensive privacy policy page and link to it prominently
GDPR requires clear information about cookie usage
What to do: Add a dedicated cookie policy explaining cookie usage and purposes
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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Each check with its score, findings and the evidence it collected.
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
Not counted
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.
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
Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.
Leaked records that mention hostux.social, from OffSeq Breach.
1 subdomain 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 hostux.social.
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Breach keeps ingesting new leaks, so these numbers can grow between scans.
Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.
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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