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Security report for dfn.de

Verein zur Förderung eines Deutschen Forschungsnetzes e. V. · Education · Germany

Medium risk. 6 critical or high findings in GDPR outside view, Security headers and 1 other check.

Security score

51/100

Risk levelMedium

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

The DFN (Verein zur Förderung eines Deutschen Forschungsnetzes e. V.) operates as a key provider of scientific networking infrastructure in Germany, connecting universities, research institutions, and research-related companies across approximately 850 locations. Their core offering is the X-WiN fiber optic network, supplemented by a suite of communication, security, collaboration, and cloud services tailored for the scientific community. The organization holds a leading position in the German research and education network sector, operating as a non-profit association focused on enabling scientific connectivity and collaboration. Technically, the website is built on a modern WordPress platform with up-to-date plugins such as Yoast SEO and Contact Form 7, and employs Matomo for analytics, indicating a mature digital infrastructure. The site is mobile-optimized, SEO-friendly, and uses modern web standards including lazy loading and CSS grid/flexbox layouts. DNSSEC is enabled, and HTTPS is enforced, reflecting good security hygiene. From a security perspective, the site demonstrates solid fundamentals with encrypted connections and DNS security. However, it lacks explicit HTTP security headers and a cookie consent mechanism, which are important for GDPR compliance and enhanced security posture. No public security or incident response contacts are provided, and no vulnerability disclosure policy is published, which could be improved to strengthen trust and transparency. Overall, the website and domain present a trustworthy and professional front for the DFN association. The domain registration is consistent with the organization's profile, despite limited WHOIS data due to DENIC policies. The site content is safe, relevant, and well-structured, targeting scientific and educational audiences. Strategic improvements in privacy compliance and security transparency would further enhance the organization's digital trustworthiness.

Scanned

This is an earlier scan of dfn.de. View the latest report

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

6 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"

    • 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 dfn.de

This scan found 26 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
75
Security headers
30
Email security
70
DNS health
65
Network security
40
GDPR outside view
28
Average
51

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 dfn.de, from OffSeq Breach.

Total records
655
Employees
0
Customers
655
Third parties
0
Weak passwords
36%

36 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 dfn.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

DFN is positioned as a critical infrastructure provider in the German scientific research ecosystem, offering high-capacity network connectivity and specialized services to universities and research institutions. Their non-profit model focuses on enabling research collaboration and data exchange. The organization benefits from a broad membership base and a strong national presence. Their digital presence supports their mission with clear service offerings and active communication channels via newsletters and social media. The lack of direct contact emails or phone numbers on the homepage suggests a controlled communication approach, likely routed through dedicated contact pages. The use of Matomo analytics indicates a preference for privacy-conscious data collection. The organization could explore expanding transparency around security policies and incident response to align with best practices in the research networking sector.

Security posture

The website enforces HTTPS and DNSSEC, which are strong indicators of secure domain and transport layer configurations. The use of Contact Form 7 suggests secure form handling, but no explicit security headers like Content-Security-Policy or X-Frame-Options were detected, which could mitigate certain web-based attacks. The absence of a cookie consent banner is a GDPR compliance gap, especially given the use of Matomo analytics. No public security or incident response contact information or vulnerability disclosure policies were found, limiting transparency and responsiveness in case of security incidents. Overall, the security posture is solid but could be enhanced by implementing recommended HTTP headers, publishing security policies, and providing clear incident response contacts.

Recommendations

  1. Implement HTTP security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security to enhance protection against common web attacks.
  2. Add a cookie consent mechanism to comply fully with GDPR requirements and inform users about tracking and data collection.
  3. Publish a clear security policy and incident response contact information on the website to improve transparency and trust.
  4. Consider establishing a vulnerability disclosure program or security.txt file to facilitate responsible reporting of security issues.
  5. Enhance accessibility features and conduct regular security audits to maintain and improve the website's security and compliance posture.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Verein zur Förderung eines Deutschen Forschungsnetzes e. V.
Description
DFN betreibt und entwickelt die Kommunikationsinfrastruktur für die Wissenschaft in Deutschland, verbindet Hochschulen, Forschungseinrichtungen und forschungsnahe Unternehmen an rund 850 Standorten.
Key services
Wissenschaftsnetz X-WiN (fiber optic network), Network and Communication Services, Security, Trust & Identity Services, Collaboration Services, Cloud Services
Content quality
good
Branding
consistent

Technology

Stack
WordPress 6.8.2, Yoast SEO plugin, Contact Form 7, Matomo Analytics, Tiny Slider (tns), CSS Grid and Flexbox, Lazy loading images
Platforms
WordPress
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • DNSSEC enabled
  • No exposed sensitive data in HTML
  • Use of secure forms (Contact Form 7)

Analytics and tracking

Services
Matomo
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Matomo
Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenges.
  2. Content is professionally presented in German with English alternate language available.
  3. Strong focus on scientific networking infrastructure and services.
  4. Use of modern web technologies and SEO best practices.
  5. No exposed sensitive data or security issues detected in HTML content.
  6. No explicit contact emails or phone numbers found in the main page HTML; contact is via forms and dedicated contact pages.
  7. Social media presence on Mastodon and LinkedIn only.
  8. No cookie consent banner detected, which may be a GDPR compliance gap.
  9. No explicit security or incident response contact information published.
  10. WHOIS data limited due to DENIC policy but consistent with legitimate domain.
Technical notes

Notes

The website is built on WordPress 6.8.2 with modern plugins including Yoast SEO for search engine optimization and Contact Form 7 for form management. It uses Matomo for privacy-focused analytics and employs lazy loading for images to improve performance. The layout uses CSS Grid and Flexbox for responsive design, ensuring good mobile optimization. The site is served over HTTPS with DNSSEC enabled, indicating a secure DNS and transport layer setup. No explicit hosting provider information was found. Performance is moderate with good SEO and basic accessibility features. The technical stack is modern and well-maintained, though there is room for improvement in security header implementation and cookie consent management.
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. 54/100 +1Medium31 findingsView report
  2. 53/100Medium35 findingsView report
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