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Security report for listed.to

Listed · Technology · N/a

Medium risk. 6 critical or high findings in Email security, Security headers and 2 other checks.

Security score

67/100

Risk levelMedium

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

Listed.to is a specialized blogging platform that enables users to publish public journals directly from their notes using Standard Notes integration. It targets writers and knowledge sharers who value privacy and simplicity in publishing. The platform is technically modern, built on Ruby on Rails and React, with good security practices including HTTPS and security headers. However, it lacks visible privacy and cookie policies, which impacts compliance and user trust. Contact information is limited but present in some author bios. Overall, the platform is credible and well-positioned in its niche but should improve privacy disclosures and incident response transparency.

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

6 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

    • High

      No SPF record found

      SPF helps prevent email spoofing

      What to do: Add SPF record: "v=spf1 include:_spf.yourmailprovider.com ~all"

  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 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 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 listed.to

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.

Daily monitoring

Recommended

€25per month

  • 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
72
Security headers
60
Email security
40
DNS health
75
Network security
100
GDPR outside view
53
Average
67

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

Listed.to operates in the technology and media sectors, focusing on a niche market of privacy-conscious writers and bloggers. Its business model revolves around providing a seamless publishing experience integrated with Standard Notes. The platform shows signs of active user engagement with many featured and recent authors. It leverages partnerships with Standard Notes and uses Amazon S3 for hosting assets. The lack of formal policies and limited direct contact info suggest a small or early-stage operation. Growth potential exists through expanding privacy compliance and marketing efforts.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, CSRF protection, and modern security headers. No vulnerabilities or exposed sensitive data were detected in the provided content. However, the absence of a vulnerability disclosure policy and incident response contacts limits transparency and readiness for security incidents. Privacy compliance is weak due to missing privacy and cookie policies. Overall, security is good but could be enhanced with formal policies and user-facing disclosures.

Recommendations

  1. Publish a comprehensive privacy policy and cookie policy with GDPR compliance details.
  2. Add a terms of service page to clarify user rights and responsibilities.
  3. Implement a vulnerability disclosure policy or security.txt file to encourage responsible reporting.
  4. Provide clear incident response contact channels such as security@ or abuse@ email addresses.
  5. Enhance accessibility features to improve inclusivity and SEO.

Contact details published on the site

Addresses
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Listed
Description
Listed is a free blogging platform that allows users to create public journals published directly from their notes using Standard Notes. It targets writers who want honest, private writing combined with easy public publishing and email newsletters.
Key services
Public journal/blog creation, Automatic email newsletters, Integration with Standard Notes
Content quality
good
Branding
consistent

Technology

Stack
Ruby on Rails 11.3.0, React.js, Axios, Babel, Plausible Analytics
Frameworks
Ruby on Rails, React
Platforms
Web
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • CSRF tokens present
  • Content Security Policy
  • Use of modern JavaScript libraries

Analytics and tracking

Services
Plausible Analytics
Tracking level
minimal
Privacy practices
basic

Advertising

Tracking pixels
Plausible Analytics
Marketing tools
Plausible Analytics
Transparency
good

Site quality

Design
good
User experience
good
Content relevance
good
Navigation
good
Professionalism
good
Trustworthiness
high

Key observations

  1. Website is a niche blogging platform integrated with Standard Notes.
  2. No explicit privacy or cookie policies found on main page.
  3. Contact information is sparse but some author bios contain contact emails and phone numbers.
  4. Modern tech stack with React and Ruby on Rails.
  5. Good security practices observed including HTTPS and security headers.
  6. No signs of adult or questionable content.
  7. Large number of active authors with diverse content.
  8. No visible forms for direct contact on homepage; sign-up likely requires authentication.
  9. No vulnerability disclosure or incident response info found.
Technical notes

Notes

The platform uses a modern tech stack with Ruby on Rails 11.3.0 backend and React frontend. It employs Babel and Axios for JavaScript transpilation and HTTP requests. Static assets are hosted on Amazon S3, and analytics are handled by Plausible, a privacy-focused service. The site is mobile optimized and uses canonical URLs and Open Graph metadata for SEO. Performance is moderate with deferred loading of scripts. No CMS detected, indicating a custom-built solution. Technical risks are low but could be improved with enhanced accessibility and formalized compliance documentation.
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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