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Security report for reseauculture.fr

ReseauCulture.fr · Media · France

Medium risk. 4 critical or high findings in GDPR outside view and SSL/TLS.

Security score

57/100

Risk levelMedium

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

ReseauCulture.fr is a newly launched Mastodon instance dedicated to the French arts and culture sector, initiated by public and private cultural actors and supported by the French Ministry of Culture. The platform aims to provide a decentralized, independent, and ethical social media environment for cultural information sharing and community engagement. The website content is professionally presented, with clear descriptions of the project's goals and partners, targeting cultural institutions and interested publics in France. Technically, the site runs on Mastodon 4.3.9 with modern web technologies and is hosted by Bearstech, ensuring a stable and secure infrastructure. Security posture is strong with HTTPS, security headers, and script integrity checks, though some compliance aspects like cookie consent and terms of service are missing. Overall, the site is trustworthy and well-positioned for its niche audience, though it would benefit from enhanced privacy compliance and formal security policies.

Scanned

NIS2 and GDPR posture

GDPR outside view
28/ 100 · High
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

4 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.

    • Critical

      EU business without adequate privacy measures

      EU businesses are subject to strict GDPR requirements

      What to do: Implement comprehensive GDPR compliance including privacy policy, cookie consent, and data protection measures

    • 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

  2. SSL/TLS

    TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.

    • Critical

      Unable to retrieve SSL certificate

      Could not establish secure connection to retrieve certificate information

      What to do: Check if the server is accessible and SSL/TLS is properly configured

Need hands-on remediation? Email guard@offseq.com

Keep watching reseauculture.fr

This scan found 19 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.

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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
0
Security headers
75
Email security
60
DNS health
80
Network security
100
GDPR outside view
28
Average
57

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 project occupies a niche position as an experimental social media platform for cultural institutions in France, leveraging the decentralized Mastodon network. Its business model is non-commercial and community-driven, focusing on cultural exchange and independence from mainstream social media algorithms. The initiative is supported by government and private cultural entities, indicating strong partnership ecosystems. The platform targets cultural professionals and the general public interested in arts and culture, with growth potential linked to the broader adoption of decentralized social media. The collaboration with PCFH Studio and Bearstech enhances operational capabilities. The project timeline suggests a limited experimental phase with potential for future expansion based on outcomes.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, robust security headers, and use of integrity attributes on scripts and stylesheets. No vulnerabilities or exposed sensitive data were detected in the analyzed content. However, the absence of explicit security policies, incident response contacts, and vulnerability disclosure mechanisms indicates room for improvement in formal security governance. The lack of cookie consent and terms of service pages also presents compliance gaps under GDPR. Overall, the security maturity is good for a small-scale cultural project but should evolve with the platform's growth and user base expansion.

Recommendations

  1. Implement a cookie consent banner and detailed cookie policy to ensure GDPR compliance.
  2. Publish clear terms of service and security policies accessible from the website footer.
  3. Establish and publicize an incident response and vulnerability disclosure process, including a security.txt file.
  4. Enhance website accessibility features to improve inclusivity and compliance with standards.
  5. Maintain transparency about data collection and retention practices to build user trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
ReseauCulture.fr
Description
Instance Mastodon initiée par des acteurs français publics et privés du monde des arts et de la culture, engagés pour partager des informations culturelles de façon plus indépendante et plus éthique.
Key services
Decentralized social media hosting, Cultural information sharing, Community engagement for arts and culture actors
Content quality
good
Branding
consistent

Technology

Stack
Mastodon 4.3.9, JavaScript, React, SVG, CSS
Frameworks
Mastodon, React
Platforms
Fediverse, Mastodon
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • ClientTransferProhibited domain status
  • 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
high

Key observations

  1. Website is a Mastodon instance dedicated to French arts and culture sector.
  2. Content is in French with some English metadata.
  3. No forms detected on the about page.
  4. No cookie consent mechanism present.
  5. No terms of service or security policy pages found.
  6. Contact email is provided with company domain.
  7. No phone numbers or physical addresses found.
  8. Uses modern web technologies and open source Mastodon platform.
  9. No advertising or tracking scripts detected.
  10. Good use of meta tags and Open Graph for social sharing.
Technical notes

Notes

The website is built on the Mastodon platform version 4.3.9, using React and modern JavaScript with CSS and SVG for graphics. Hosting is provided by Bearstech, a specialized provider, ensuring reliable infrastructure. Performance is moderate with good mobile optimization and basic accessibility. SEO is basic but includes proper meta tags and Open Graph data for social sharing. No CMS is detected, as the site is a custom Mastodon instance. The technical stack is modern and appropriate for the platform's goals, though opportunities exist to improve accessibility and SEO further. No technical debt or legacy technology was observed.
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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