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Security report for lemmyverse.net

Technology · N/a

Medium risk. 8 critical or high findings in Email security, Security headers and 2 other checks.

Security score

63/100

Risk levelMedium

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

Lemmyverse.net operates as a specialized community and instance explorer for the Lemmy federated social network ecosystem. It provides users with a comprehensive directory of Lemmy instances, including statistics such as user counts, posts, comments, and uptime. The website targets users interested in discovering and engaging with various Lemmy communities. Technically, the site is built using React and Material UI, hosted on AWS infrastructure, and demonstrates moderate performance and good mobile optimization. However, it lacks several key compliance and security features such as privacy policies, cookie consent mechanisms, and security headers. The domain is relatively new, registered in 2023 via NameCheap, with no privacy protection but also no suspicious registration patterns. Overall, the site is functional and trustworthy for its niche audience but would benefit from enhanced security and compliance measures.

Scanned

NIS2 and GDPR posture

GDPR outside view
50/ 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

8 findings rated critical or high. Fix these first.

  1. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • Critical

      No email authentication configured

      Domain is vulnerable to email spoofing

      What to do: Implement SPF, DKIM, and DMARC immediately

  2. 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 Strict-Transport-Security header

      Forces HTTPS connections

      What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"

      • CWE-319
      • OWASP A04:2025
      • ASVS V3.4.1
    • High

      Missing X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

    • 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';…

  3. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • High

      No Privacy Policy found

      GDPR requires a clear and accessible privacy policy

      What to do: Add a comprehensive privacy policy page and link to it prominently

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

Keep watching lemmyverse.net

This scan found 24 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
77
Security headers
15
Email security
60
DNS health
75
Network security
100
GDPR outside view
50
Average
63

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 website occupies a niche position as a directory and analytics platform for Lemmy instances, serving a community-driven market segment. Its business model appears informational and community-supportive rather than commercial. The lack of explicit business contact information or monetization features suggests a small-scale operation focused on open-source and federated social networking communities. The site links to numerous Lemmy instances worldwide, indicating a broad ecosystem reach. Growth potential lies in expanding features, improving compliance, and possibly integrating monetization or partnership programs. The absence of advertising and tracking tools aligns with community trust values but limits revenue streams.

Security posture

The security posture of lemmyverse.net is moderate but incomplete. The site uses HTTPS (implied by domain and modern hosting) but lacks DNSSEC, which could improve domain security. No security headers such as Content-Security-Policy or X-Frame-Options were detected, exposing potential risks. There are no published security policies or incident response contacts, which limits transparency and preparedness. No vulnerabilities or exposed sensitive data were observed in the HTML content. The absence of forms reduces attack surface but also limits user interaction. Overall, the site should prioritize implementing security headers, enabling DNSSEC, and publishing security and incident response policies to enhance trust and resilience.

Recommendations

  1. Enable DNSSEC on the domain to improve DNS security and prevent spoofing.
  2. Implement and publish comprehensive privacy and cookie policies with consent mechanisms to comply with GDPR and other regulations.
  3. Add security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security to harden the website against common attacks.
  4. Provide clear contact information including security and abuse contacts to improve incident response readiness and user trust.
  5. Consider integrating analytics with privacy-respecting configurations to monitor usage and improve user experience without compromising privacy.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Description
Instance and Community Explorer for Lemmy
Key services
Listing Lemmy instances, Providing statistics on users, posts, comments, uptime, Filtering and sorting instances by various metrics
Content quality
good
Branding
consistent

Technology

Stack
React, Material UI, JavaScript
Frameworks
React
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
50/100

Analytics and tracking

Tracking level
minimal
Privacy practices
poor

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 community-driven directory for Lemmy instances and communities.
  2. No privacy, cookie, or terms of service policies found on the main page.
  3. No contact emails or phone numbers explicitly provided.
  4. No security or incident response policies published.
  5. Website uses modern React framework with Material UI components.
  6. Hosting is via AWS DNS services, indicating reliable infrastructure.
  7. No advertising or tracking scripts detected in the HTML content.
  8. Content is safe and suitable for general audiences.
  9. WHOIS data shows domain is relatively new but legitimate.
  10. No WAF or blocking detected; content fully accessible.
Technical notes

Notes

The website is built on a modern React framework using Material UI components, indicating a contemporary and maintainable tech stack. Hosting is via AWS DNS services, suggesting reliable infrastructure. The site demonstrates good mobile responsiveness and basic accessibility features. SEO optimization is basic with meta tags present but no advanced structured data or Open Graph tags detected. No CMS or third-party advertising/tracking scripts were found, reducing complexity and privacy concerns. Performance is moderate, likely due to client-side rendering and large instance data sets. Technical debt appears low but could be improved with enhanced SEO and accessibility compliance. Overall, the technical foundation is solid for a niche community directory but can be enhanced with security and compliance improvements.
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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