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Security report for tu-dortmund.de

Technische Universität Dortmund · Education · Germany

Medium risk. 5 critical or high findings in GDPR outside view, Security headers and 1 other check.

Security score

64/100

Risk levelMedium

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

Technische Universität Dortmund is a reputable German university offering approximately 80 study programs with a focus on innovation, interdisciplinarity, and internationality. The website is professionally designed using TYPO3 CMS and integrates modern web technologies such as jQuery UI and Matomo analytics. It provides comprehensive academic and campus information, event calendars, and access to university services. The technical infrastructure appears solid with good mobile optimization and accessibility. Security posture is adequate with HTTPS enforced and no obvious vulnerabilities, though security headers and explicit security policies are not evident. Privacy compliance is limited due to the absence of visible privacy and cookie policies. Overall, the domain and website are legitimate and trustworthy, consistent with an academic 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

5 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. 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 X-Frame-Options header

      Prevents clickjacking attacks

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

  3. 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.

    • High

      Weak Protocols Supported

      Server supports weak protocols: TLSv1.1

      What to do: Disable TLS 1.0, TLS 1.1, and all SSL versions

      • CWE-327
      • OWASP A04:2025
      • ASVS V12.1.1

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

Keep watching tu-dortmund.de

This scan found 25 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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Recommended

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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
67
Security headers
65
Email security
60
DNS health
65
Network security
100
GDPR outside view
28
Average
64

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 tu-dortmund.de, from OffSeq Breach.

Total records
8,324
Employees
167
Customers
6,471
Third parties
1,686
Weak passwords
10%

Latest record dated 2026-06-13 · 254 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 tu-dortmund.de.

Select it in the checkout above.

Masked preview

  • –dstip.tu-dortmund.de2026-06-13
  • –sfl.cs.tu-dortmund.de2026-06-13
  • –wwwold.mathematik.tu-dortmund.de2026-06-11
  • –wwwold.mathematik.tu-dortmund.de2026-06-08
  • –srv.physik.tu-dortmund.de2026-06-06

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

Open in Breach(opens in a new tab)Monitor on Breach(opens in a new tab)

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

TU Dortmund holds a strong position in the German higher education sector, targeting students, researchers, and academic partners. Its business model is public education and research, supported by academic partnerships and service portals. The university leverages open-source CMS and integrates event and service information to enhance user engagement. The presence of German academic name servers and consistent branding supports its credibility. Growth indicators include active event listings and multilingual support. No commercial or affiliate relationships are evident, focusing on educational services.

Security posture

The website demonstrates a moderate to good security maturity level with HTTPS enabled and use of asynchronous script loading to improve performance and security. However, the lack of explicit security headers and absence of published security policies or incident response contacts indicate room for improvement. No vulnerabilities or exposed sensitive data were detected in the provided content. GDPR compliance is not clearly demonstrated, and no vulnerability disclosure or security.txt files are present. Incident response readiness and security culture indicators are not visible on the site.

Recommendations

  1. Publish a comprehensive privacy policy and cookie consent mechanism to improve GDPR compliance.
  2. Implement and configure security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security.
  3. Add a security policy page and incident response contact information to enhance transparency and readiness.
  4. Consider publishing a vulnerability disclosure policy or security.txt file to encourage responsible reporting.
  5. Regularly audit and update third-party libraries and CMS extensions to mitigate potential vulnerabilities.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Technische Universität Dortmund
Description
Die TU Dortmund ist eine junge Universität, die rund 80 Studiengänge anbietet. Innovation, Interdisziplinarität und Internationalität prägen ihr Profil.
Key services
Studiengänge (Bachelor, Master, Lehramt, Promotion), Forschung, Veranstaltungen, ServicePortal, UniMail
Content quality
good
Branding
consistent

Technology

Stack
TYPO3 CMS, jQuery UI, Select2, PhotoSwipe, Matomo Analytics
Frameworks
TYPO3 CMS
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced (implied by canonical URL https://)
  • No exposed sensitive data in HTML
  • Use of async and defer for scripts

Analytics and tracking

Services
Matomo
Tracking level
moderate
Privacy practices
basic

Advertising

Tracking pixels
Matomo
Marketing tools
Matomo Analytics
Transparency
basic

Site quality

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

Key observations

  1. Website is a well-structured official university site
  2. Content is primarily in German with English alternate available
  3. Uses TYPO3 CMS and modern web technologies
  4. Includes event calendar, service portals, and campus information
  5. No explicit privacy or cookie policies found in provided content
  6. No direct contact emails or phone numbers found in the truncated HTML
  7. No security.txt or vulnerability disclosure found
  8. No suspicious or malicious content detected
Technical notes

Notes

The website is built on TYPO3 CMS, a robust open-source content management system widely used in academia. It uses modern JavaScript libraries like jQuery UI and Select2 for UI enhancements and PhotoSwipe for image galleries. Matomo analytics is employed for user tracking, indicating a preference for privacy-respecting analytics. The site is mobile-optimized with responsive design and accessibility features such as skip links and ARIA attributes. Hosting appears to be on academic or university infrastructure with German academic name servers. Performance is moderate, with asynchronous script loading and deferred execution. SEO is supported by proper meta tags and Open Graph data. There is no evidence of technical debt or deprecated technologies in the provided 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

Earlier scans of this domain

  1. 63/100Medium34 findingsView report
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