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Security report for planet-schule.de

SWR/Südwestrundfunk - Anstalt des Öffentlichen Rechts · Education · Germany

Medium risk. 7 critical or high findings in GDPR outside view, Security headers and 1 other check.

Security score

62/100

Risk levelMedium

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

Planet Schule is an educational website operated by SWR, a German public broadcaster. It provides a wide range of educational content including films, learning games, worksheets, and teaching materials targeted primarily at students and educators in Germany. The platform is well-established and positioned as a trusted source of educational media, leveraging the reputation and resources of a public institution.

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

7 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

  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';…

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

Keep watching planet-schule.de

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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
65
Security headers
40
Email security
75
DNS health
65
Network security
100
GDPR outside view
28
Average
62

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

Breach exposure

Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.

Dark web exposure

Add-on

Leaked records that mention planet-schule.de, from OffSeq Breach.

Total records
74
Employees
0
Customers
74
Third parties
0
Weak passwords
22%

2 subdomains 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 planet-schule.de.

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Breach keeps ingesting new leaks, so these numbers can grow between scans.

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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 serves the education sector with a non-commercial business model focused on public service. It targets schools and learners across various subjects and grades. The platform benefits from the backing of SWR, ensuring high content quality and trust. Its partnership ecosystem includes social media presence and analytics providers, supporting content reach and user engagement.

Security posture

The site uses HTTPS and modern web technologies, with no visible vulnerabilities or exposed sensitive data. However, explicit security headers and detailed privacy policies are not evident in the provided content. Analytics tools like Chartbeat and Piano are used, indicating moderate user tracking. Incident response and security contact information are not publicly visible, suggesting room for improvement in transparency and security communication.

Recommendations

  1. Publish clear and accessible privacy and cookie policies to enhance GDPR compliance.
  2. Implement and disclose a security policy and incident response contact information.
  3. Add security headers such as Content Security Policy (CSP), HSTS, and X-Frame-Options.
  4. Improve cookie consent mechanisms to ensure user awareness and control over tracking.
  5. Maintain and regularly audit third-party analytics and scripts for security and privacy compliance.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
SWR/Südwestrundfunk - Anstalt des Öffentlichen Rechts
Description
Alles für den Unterricht: Filme, Lernspiele, Hintergrund, Unterrichtsmaterial, Arbeitsblätter. Hilfe bei Referat, Prüfung und Hausaufgaben.
Key services
Educational films, Learning games, Background information, Teaching materials, Worksheets, Help with presentations, exams, homework
Content quality
excellent
Branding
consistent

Technology

Stack
JavaScript, CSS, HTML5, ARIA accessibility features, Lazy loading, IntersectionObserver, Chartbeat analytics, Piano analytics, Polyfills for browser compatibility
Frameworks
Bootstrap (navbar, collapse), Slick carousel
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Use of ARIA roles and accessibility features
  • No visible vulnerable libraries

Analytics and tracking

Services
Chartbeat, Piano Analytics
Tracking level
moderate
Privacy practices
basic

Advertising

Tracking pixels
Chartbeat, Piano Analytics
Marketing tools
Piano Analytics, Chartbeat
Transparency
basic

Site quality

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

Key observations

  1. Website is a public educational platform by SWR, a German public broadcaster.
  2. Content is rich, well-structured, and targeted at students and educators.
  3. No direct contact or privacy policy links found in the provided HTML snippet.
  4. Uses modern web technologies and analytics tools.
  5. No signs of malicious or suspicious content.
  6. No WAF or blocking detected; content fully accessible.
Technical notes

Notes

The website employs a modern tech stack including JavaScript, CSS, Bootstrap framework, and slick carousel for UI components. It uses polyfills for browser compatibility and lazy loading for performance optimization. Analytics integration is robust but could be balanced with stronger privacy controls. The site is mobile-optimized and accessible, with good SEO practices evident from meta tags and structured content.
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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