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Security report for dvgw.de

DVGW Deutscher Verein des Gas- und Wasserfaches e.V. · Energy · Germany

Medium risk. 3 critical or high findings in Security headers and SSL/TLS.

Security score

61/100

Risk levelMedium

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

DVGW Deutscher Verein des Gas- und Wasserfaches e.V. is a well-established, independent association focused on providing reliable, technically sound, and safe gas and water supply standards and services. With a history spanning over 165 years, it serves as a recognized rule setter and innovation driver in the German gas and water sectors, also engaging internationally. The organization offers a broad range of services including standardization, certification, research, vocational training, and technical consulting, targeting professionals and stakeholders in the energy and water industries. Technically, the website is built on TYPO3 CMS, hosted on Microsoft Azure infrastructure, and employs modern web technologies including SVG graphics, JavaScript libraries, and privacy-conscious analytics tools like Matomo and eTracker. The site is well-optimized for mobile devices and accessibility, with good SEO practices. Cookie consent mechanisms are implemented, reflecting attention to privacy compliance. From a security perspective, the site uses HTTPS and integrates cookie consent and privacy-respecting analytics. However, explicit security policies, incident response contacts, and vulnerability disclosure mechanisms are not found, representing areas for improvement. No critical vulnerabilities or suspicious content were detected, and the domain WHOIS data aligns well with the organization's profile, indicating high legitimacy. Overall, the website presents a professional, trustworthy, and content-rich platform for its audience, with a strong business credibility and technical foundation. Strategic enhancements in privacy and security transparency would further strengthen its posture.

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

3 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"

  2. 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 dvgw.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
67
Security headers
35
Email security
77
DNS health
65
Network security
40
GDPR outside view
83
Average
61

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

DVGW holds a strong market position as a key technical and regulatory authority in the German gas and water sectors. Its non-profit business model focuses on standardization, certification, research, and education, serving approximately 14,000 members and industry stakeholders. The organization leverages partnerships and subsidiary sites to deliver specialized services such as events, training, and service centers. Its long history and recognized role in legislation and infrastructure development provide competitive advantages. The target customers include utilities, industry professionals, policymakers, and researchers. Growth indicators include active event hosting, publication of technical standards, and international cooperation. The partnership ecosystem is robust, involving multiple related domains and industry bodies.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, privacy-aware analytics, and cookie consent mechanisms. However, the absence of explicit security policies, incident response contacts, and vulnerability disclosure channels limits transparency and readiness. No security headers were explicitly detected in the provided content, suggesting potential for enhancement. The domain registration is consistent and public, supporting trust. Compliance with GDPR is implied but not explicitly documented. Overall, the security maturity is good but could benefit from formalized policies and improved communication of security practices.

Recommendations

  1. Publish a comprehensive privacy policy clearly linked on the website.
  2. Add explicit terms of service to clarify user agreements and liabilities.
  3. Implement and publish a security policy including incident response procedures and contact channels.
  4. Deploy security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to enhance protection.
  5. Provide a vulnerability disclosure policy or security.txt file to encourage responsible reporting and transparency.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
DVGW Deutscher Verein des Gas- und Wasserfaches e.V.
Description
Der DVGW hat das Ziel, Grundlagen für eine zuverlässige, technisch einwandfreie und sichere Gas- und Wasserversorgung zu liefern. Er ist ein unabhängiger und neutraler Verein.
Key services
Regelsetzung und Normung (Standardization and Norms), Forschung und Entwicklung (Research and Development), Prüfung und Zertifizierung (Testing and Certification), Berufsbildung und Qualifikation (Vocational Training and Qualification), Fachinformation und Wissenstransfer (Technical Information and Knowledge Transfer), Sicherheits- und Qualitätsmanagement (Safety and Quality Management), Arbeits- und Gesundheitsschutz (Occupational Health and Safety), IT-Dienstleistungen (IT Services), Technische Beratung (Technical Consulting)
Content quality
excellent
Branding
consistent

Technology

Stack
TYPO3 CMS, JavaScript, SVG graphics, Matomo Analytics, eTracker, Hyphenopoly (hyphenation library), Azure DNS
Frameworks
TYPO3 CMS
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced (implied by canonical URL and external scripts)
  • Use of Matomo for privacy-respecting analytics
  • Cookie consent mechanism implemented

Analytics and tracking

Services
Matomo, eTracker
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Matomo, eTracker
Marketing tools
2b-advice 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 rich content and no blocking mechanisms.
  2. Uses TYPO3 CMS, a professional open-source CMS.
  3. Strong focus on gas and water industry standards, research, and education.
  4. No explicit privacy policy or terms of service found in the provided content.
  5. Cookie consent mechanism is implemented with third-party scripts.
  6. No direct contact emails or phone numbers found in the provided HTML snippet.
  7. Multiple external domains linked, mostly related to DVGW services and partners.
  8. Security posture is good but could be improved with explicit security policies and headers.
  9. No suspicious or malicious content detected.
  10. Content is safe and suitable for general audiences.
Technical notes

Notes

The website is built on TYPO3 CMS, a robust and widely used open-source content management system, indicating a professional technical foundation. Hosting on Microsoft Azure DNS servers suggests reliable infrastructure. The site uses modern JavaScript libraries and SVG graphics for responsive and scalable visuals. Analytics are handled by Matomo and eTracker, favoring privacy compliance. The site is mobile-optimized and accessible, with good SEO metadata. Performance is moderate, with room for optimization in loading speed. No deprecated or vulnerable libraries were detected in the provided content. Overall, the technical implementation supports a stable and user-friendly experience with opportunities for further modernization and security hardening.
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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