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Security report for gemeindewerke-kahl.de

Gemeindewerke Kahl Versorgungsgesellschaft mbH · Energy · Germany

High risk. 9 critical or high findings in GDPR outside view, Email security and 3 other checks.

Security score

45/100

Risk levelHigh

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

Gemeindewerke Kahl Versorgungsgesellschaft mbH is a regional utility provider based in Kahl am Main, Germany, offering electricity, gas, and water supply services. The company emphasizes sustainable energy solutions, including 100% certified hydropower electricity and climate-neutral gas options. Their market position is that of a trusted local supplier with a focus on environmental responsibility and customer service. The website targets residential and commercial customers in the region, providing online contract management, energy-saving tips, and services related to electromobility and photovoltaics. Technically, the website is built using modern web technologies including Bootstrap 5 and jQuery, hosted on rzone.de servers. It is mobile-optimized with good accessibility and SEO practices. The site includes interactive elements such as a tariff calculator form and a well-structured navigation menu. However, no CMS or advanced platform is explicitly detected. From a security perspective, the site uses HTTPS and secure form inputs but lacks visible security headers and explicit incident response or vulnerability disclosure policies. No cookie consent mechanism was detected, which may pose GDPR compliance risks. The WHOIS data is consistent with the website content and business legitimacy, with no suspicious patterns. Overall, the website is professional, trustworthy, and well-suited for its business purpose. Strategic improvements in security headers, privacy compliance, and incident response transparency would enhance its security posture and regulatory adherence.

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

9 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

  2. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • Critical

      No email authentication configured

      Domain is vulnerable to email spoofing

      What to do: Implement SPF, DKIM, and DMARC immediately

  3. 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';…

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

Keep watching gemeindewerke-kahl.de

This scan found 27 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
25
Email security
60
DNS health
60
Network security
20
GDPR outside view
28
Average
45

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

Gemeindewerke Kahl operates as a small, essential entity in the energy sector, focusing on regional utility services. Their competitive advantage lies in offering environmentally friendly energy products such as 100% hydropower electricity and climate-neutral gas, appealing to eco-conscious consumers. The business model revolves around direct supply contracts, online service portals, and value-added services like electromobility charging and photovoltaic installations. The company maintains a partnership ecosystem including local government (Gemeinde Kahl) and leverages social media for community engagement. Growth indicators include recent news about 24-hour supplier switching and public events celebrating public services. The company’s operations are transparent with clear contact channels and service information, supporting customer trust and retention.

Security posture

The current security maturity level is moderate. The website enforces HTTPS and uses secure form validation, which protects data in transit and input integrity. However, the absence of security headers such as Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), and X-Frame-Options reduces defense-in-depth. There is no visible vulnerability disclosure or incident response policy, limiting transparency and preparedness for security incidents. GDPR compliance is partially addressed with a privacy policy but lacks cookie consent mechanisms. No analytics or tracking scripts were detected, which reduces privacy risks but also limits behavioral insights. Overall, the security posture is adequate for a regional utility website but can be improved to meet higher standards and regulatory requirements.

Recommendations

  1. Implement comprehensive security headers including CSP, HSTS, and X-Frame-Options to enhance protection against common web attacks.
  2. Add a cookie consent banner and mechanism to ensure full GDPR compliance and user privacy transparency.
  3. Publish a vulnerability disclosure policy or security.txt file to improve incident response readiness and build trust.
  4. Conduct a security audit to identify and remediate any hidden vulnerabilities or outdated libraries.
  5. Enhance privacy compliance by documenting data retention policies and providing clear user data handling information.

Contact details published on the site

Addresses
Legal name
Gemeindewerke Kahl Versorgungsgesellschaft mbH
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Gemeindewerke Kahl Versorgungsgesellschaft mbH
Description
Regional provider for electricity, gas, and water services in Kahl am Main, Germany.
Key services
Electricity supply, Gas supply, Water supply, Wastewater management, Photovoltaic services, Electromobility charging stations, Street lighting
Content quality
good
Branding
consistent

Technology

Stack
HTML5, CSS3, Bootstrap 5, jQuery 3.6.4, JavaScript
Frameworks
Bootstrap
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
70/100
Good practices seen
  • HTTPS usage implied (URL is https)
  • Secure form inputs with validation
  • No exposed sensitive data in HTML

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
high

Key observations

  1. Website is professionally designed and well-structured.
  2. Content is comprehensive for a regional utility provider.
  3. Contact information is clearly presented with multiple channels.
  4. No explicit privacy or cookie consent banner detected, which may be a compliance gap.
  5. No visible security.txt or vulnerability disclosure policy.
  6. No analytics or tracking scripts detected, indicating privacy-conscious approach or minimal tracking.
  7. Social media presence on Instagram and Facebook is linked.
  8. WHOIS data supports legitimacy and consistency of domain ownership.
Technical notes

Notes

The website uses a modern and stable technology stack with Bootstrap 5 and jQuery 3.6.4, ensuring responsive design and interactive UI components. Hosting on rzone.de provides reliable infrastructure. The site loads moderate content including images and scripts, with no heavy third-party dependencies detected. Accessibility features such as ARIA attributes and responsive navigation are implemented well. SEO is supported by meta descriptions and structured navigation menus. However, the absence of advanced CMS or structured data (JSON-LD) limits content management flexibility and rich search results. Performance is moderate, with potential for optimization in image delivery and script loading. Overall, the technical implementation supports the business needs effectively with room for modernization.
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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