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Security report for virtueller-stundenplan.org

CPS-Datensysteme GmbH · Education · Germany

Medium risk. 7 critical or high findings in Security headers, GDPR outside view and 2 other checks.

Security score

53/100

Risk levelMedium

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

Virtueller Stundenplan is a German educational platform focused on providing students and school staff with digital timetable management, class plans, and administrative tools such as sick leave reporting. The platform supports login via email/password and integrates with Microsoft Office365 for authentication, targeting primarily German-speaking students and educational institutions. The website is built using RapidWeaver CMS with Bootstrap and jQuery, offering a responsive and user-friendly interface. While the technical infrastructure is adequate for its purpose, there is room for improvement in security practices, such as enabling DNSSEC and implementing security headers. The domain registration is consistent and transparent, registered under CPS-Datensysteme GmbH since 2020, which aligns with the business age and purpose. Overall, the website demonstrates moderate technical maturity and business credibility but lacks comprehensive privacy and security policies.

Scanned

NIS2 and GDPR posture

GDPR outside view
58/ 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

7 findings rated critical or high. Fix these first.

  1. 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';…

  2. 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 virtueller-stundenplan.org

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
20
Email security
70
DNS health
70
Network security
20
GDPR outside view
58
Average
53

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 business operates in the education sector, providing a niche digital solution for school timetable and administrative management. Its competitive advantage lies in integration with Office365 and a focused target audience of students and school administrators. The business model appears to be service-based, likely subscription or school licensing, though explicit monetization details are not visible. The company is small-sized, founded in 2020, and operates primarily in Germany. The website content and structure suggest a stable but modest market position with potential for growth through enhanced security and privacy compliance. No evident partnerships or subsidiaries were identified from the data.

Security posture

The website enforces HTTPS and uses clientTransferProhibited domain status, which are positive security indicators. However, the absence of DNSSEC, lack of security headers such as CSP and HSTS, and no visible incident response or security policy pages indicate moderate security maturity. The login form uses POST method and integrates OAuth with Microsoft, which is a good practice. No vulnerabilities or exposed sensitive data were detected in the provided content. The security score is moderate, with recommendations to improve DNS security, implement security headers, and publish security policies to enhance trust and compliance.

Recommendations

  1. Enable DNSSEC on the domain to protect against DNS spoofing and improve domain security.
  2. Implement essential security headers including Content-Security-Policy, Strict-Transport-Security, X-Frame-Options, and X-Content-Type-Options.
  3. Publish clear security policy and incident response information on the website to improve transparency and user trust.
  4. Conduct regular security audits on authentication mechanisms, especially OAuth integration and login forms.
  5. Enhance privacy compliance by expanding cookie consent mechanisms and providing detailed privacy and terms of service documentation.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
CPS-Datensysteme GmbH
Description
Virtueller Stundenplan is a digital platform aimed at students for managing their school schedules, class plans, and related administrative tasks such as reporting illness. It provides login access for students and administrative users, and integrates with Office365 for authentication.
Key services
Digital timetable management, Class plans access, Sick leave reporting, Admin management, Office365 login integration
Content quality
good
Branding
consistent

Technology

Stack
jQuery, Bootstrap, FontAwesome, RapidWeaver CMS, Stacks plugin
Frameworks
Bootstrap 3
Platforms
Web
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
60/100
Good practices seen
  • HTTPS enforced
  • clientTransferProhibited domain status
  • Login form uses POST method
  • OAuth integration with Microsoft Office365

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
moderate

Key observations

  1. Website is a student-focused educational platform for timetable and school management
  2. Content is in German with clear navigation and login functionality
  3. No contact emails or phone numbers explicitly listed on the login page
  4. Cookie consent banner present indicating some privacy compliance
  5. No visible terms of service or security policy pages
  6. Uses OAuth with Microsoft Office365 for authentication
  7. No advanced security headers detected
  8. WHOIS data is transparent and consistent with business
  9. No advertising or tracking scripts detected
Technical notes

Notes

The website is built on RapidWeaver CMS using Bootstrap 3 and jQuery, providing a responsive and functional user interface. External resources are loaded from trusted CDNs such as ajax.googleapis.com. The site uses standard HTML5 and CSS with some custom styles. Performance is moderate with no evident heavy scripts or tracking. Mobile optimization is good, but accessibility features are basic. SEO optimization is minimal with basic meta tags but no advanced structured data or Open Graph tags detected. Hosting provider details are not explicit but DNS is managed via regsystem.net. Overall, the technical stack is stable but could benefit from modernization and enhanced security configurations.
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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