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Security report for dzk-tuberkulose.de

German Central Committee against Tuberculosis (DZK) · Healthcare · Germany

Medium risk. 2 critical or high findings in SSL/TLS.

Security score

72/100

Risk levelMedium

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

The German Central Committee against Tuberculosis (DZK) operates a professional, well-structured website dedicated to tuberculosis education, research, and prevention. With over 100 years of history, the organization serves patients, relatives, doctors, and health authorities primarily in Germany. The website offers comprehensive resources including guidelines, case reporting, dosage calculators, and an interactive MDR-TB coverage map. The content is high quality, relevant, and presented with clear navigation and consistent branding. Technically, the site leverages modern web technologies such as Webflow CMS, Google Fonts, Matomo Analytics with privacy-conscious configurations, Weglot for multilingual support, and Klaro for cookie consent management. The site is hosted on Webflow’s CDN, ensuring fast performance and excellent mobile optimization. Accessibility and SEO practices are well implemented. From a security perspective, the site enforces HTTPS and employs cookie consent mechanisms. While explicit security headers are not visible in the HTML, they may be set at the server level. No vulnerabilities or exposed sensitive data were detected. However, the site lacks a publicly visible security policy or incident response contact information, which could enhance trust. Overall, the website is trustworthy, professional, and compliant with GDPR requirements. It effectively supports its mission to combat tuberculosis through education and collaboration. Strategic recommendations include adding explicit security headers, publishing a security policy, and considering incident response contact details to further strengthen security posture and user trust.

Scanned

NIS2 and GDPR posture

GDPR outside view
83/ 100 · Low
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

2 findings rated critical or high. Fix these first.

  1. 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
    • High

      Weak SSL Key Length

      SSL certificate uses 256-bit key, which is considered weak

      What to do: Use at least 2048-bit RSA or 256-bit ECC key

      • CWE-326
      • OWASP A04:2025
      • Mozilla TLS: Mozilla Server Side TLS 6.0 intermediate: rsa_key_size 2048

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

Keep watching dzk-tuberkulose.de

This scan found 22 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
57
Security headers
60
Email security
70
DNS health
60
Network security
100
GDPR outside view
83
Average
72

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 dzk-tuberkulose.de, from OffSeq Breach.

No leaked records found

Breach holds no records for dzk-tuberkulose.de right now. New leaks arrive continuously, so monitoring on Breach alerts you if that changes.

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

DZK holds a strong market position as a specialized non-profit healthcare organization focused on tuberculosis in Germany. Its competitive advantage lies in its century-long expertise, authoritative guidelines, and comprehensive educational resources. The business model centers on public health advocacy, research dissemination, and support services for both patients and healthcare professionals. Revenue streams likely include donations and grants, supported by a visible donation call-to-action. The target customer segments include patients, medical practitioners, and public health authorities. The organization maintains partnerships with recognized institutions such as the Robert Koch Institute and publishes scientific guidelines through reputable channels. Growth indicators include active news updates and interactive tools. The partnership ecosystem is robust, involving multiple healthcare and research entities.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, privacy-respecting analytics (Matomo with disabled cookies by default), and a clear cookie consent mechanism via Klaro. No critical vulnerabilities or exposed sensitive data were found. However, the absence of a published security policy or incident response contact limits transparency. Compliance with GDPR is evident through privacy policy and consent management. The use of third-party libraries like jQuery requires ongoing maintenance to avoid vulnerabilities. Overall, the security culture appears proactive but could benefit from enhanced documentation and explicit security headers.

Recommendations

  1. Implement and publicly publish a formal security policy and incident response contact information.
  2. Add explicit security headers such as X-Frame-Options, Referrer-Policy, and Content-Security-Policy if not already configured at the server level.
  3. Regularly update third-party libraries, especially jQuery, to mitigate potential vulnerabilities.
  4. Consider adding a terms of service page to clarify user and organizational responsibilities.
  5. Enhance transparency by providing data retention policies related to analytics and user data.

Contact details published on the site

Addresses
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
German Central Committee against Tuberculosis (DZK)
Description
The German Central Committee against Tuberculosis (DZK) is committed to tuberculosis education, research and prevention for over 100 years. Their mission is to fight tuberculosis worldwide and help those affected.
Key services
Tuberculosis education, Research and publications, Prevention programs, Guidelines and recommendations, Case reporting, Dosage calculator, Local contact points, Interactive MDR-TB coverage map
Content quality
excellent
Branding
consistent

Technology

Stack
Webflow CMS, Google Fonts (Inter), Matomo Analytics, Weglot translation service, Klaro cookie consent, jQuery 3.5.1
Frameworks
Webflow
Platforms
Webflow hosting
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent with opt-in/opt-out
  • No exposed sensitive data in HTML
  • Use of Matomo with disabled cookies by default
  • No inline sensitive credentials

Analytics and tracking

Services
Matomo Analytics
Tracking level
minimal
Privacy practices
good

Advertising

Tracking pixels
Matomo Analytics
Marketing tools
Weglot translation, Klaro cookie consent
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenge.
  2. Strong focus on tuberculosis education and support for patients and healthcare professionals.
  3. Comprehensive cookie consent and privacy policy in place.
  4. Use of modern web technologies and analytics with privacy considerations.
  5. Clear contact information with email, phone, and physical address provided.
  6. No evidence of security policy or incident response contact information publicly available.
  7. No terms of service page detected.
  8. No vulnerability disclosure or security.txt found.
  9. High quality and professional website design and content.
Technical notes

Notes

The website is built on the Webflow platform, utilizing modern front-end technologies including Google Fonts and jQuery. It integrates Matomo Analytics for privacy-conscious user tracking and Weglot for multilingual support, indicating a mature digital infrastructure. Hosting on Webflow’s CDN ensures fast load times and excellent mobile responsiveness. The site includes interactive elements such as an embedded OpenStreetMap iframe for MDR-TB coverage. Cookie consent is managed by Klaro, a reputable consent management platform. The technical implementation is robust with good SEO and accessibility practices. Opportunities exist to improve security header configurations and formalize security 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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