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Security report for vkw.at

illwerke vkw AG · Energy · Austria

Low risk. 1 critical or high finding in SSL/TLS.

Security score

80/100

Risk levelLow

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

illwerke vkw AG operates as a regional energy provider in Vorarlberg, Austria, offering a broad portfolio of energy-related services including electricity, natural gas, biogas, heating solutions, photovoltaic system planning and installation, and e-mobility products. The company targets households, businesses, agricultural customers, and institutions with a focus on sustainable and renewable energy solutions. Their market position is that of a trusted, established regional supplier emphasizing energy efficiency and customer service. Technically, the website employs modern web technologies such as Bootstrap, jQuery, Google Tag Manager, and Usercentrics for consent management, indicating a mature digital infrastructure with moderate performance and good mobile optimization. Security posture is solid with HTTPS enforced and consent-based analytics, though explicit security headers and incident response information are absent. Overall, the website is professional, trustworthy, and compliant with GDPR and cookie regulations, supporting a positive user experience and business credibility.

Scanned

NIS2 and GDPR posture

GDPR outside view
95/ 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

1 finding 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

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

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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
72
Security headers
70
Email security
60
DNS health
80
Network security
100
GDPR outside view
95
Average
80

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

The company is well-positioned in the regional energy market with a comprehensive service offering that includes renewable energy products and digital customer services. Their business model focuses on direct energy supply and value-added services such as photovoltaic installations and e-mobility solutions. The presence of a customer portal and active social media channels supports customer engagement and brand loyalty. The company appears to have a stable market presence with no indications of privacy protection misuse or suspicious domain registrations. Partnerships and related domains indicate a cohesive brand ecosystem. The lack of explicit founding year or parent company data limits deeper historical analysis but does not detract from overall credibility.

Security posture

The website demonstrates a good security baseline with HTTPS and a consent management platform integrated for GDPR compliance. However, the absence of explicit security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options suggests room for improvement. No incident response or security policy pages were found, which could hinder rapid response to security events. No vulnerabilities or exposed sensitive data were detected in the HTML content. The use of third-party scripts is managed with consent, reducing privacy risks. Overall, the security posture is good but could be enhanced by publishing security policies and implementing additional HTTP security headers.

Recommendations

  1. Implement and verify HTTP security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to enhance protection against common web attacks.
  2. Publish a dedicated security policy page and provide clear incident response contact information to improve transparency and readiness.
  3. Consider adding a security.txt file to facilitate responsible vulnerability disclosure.
  4. Regularly audit and update third-party scripts and libraries to mitigate potential vulnerabilities.
  5. Enhance website accessibility features to comply with standards and improve user experience for all visitors.

Contact details published on the site

Addresses
Legal name
illwerke vkw AG
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
illwerke vkw AG
Description
Alles rund um die Themen Strom, Ökostrom, Erdgas, Biogas, Mobilität und Energieeffizienz.
Key services
Electricity supply, Heating solutions, Photovoltaic system planning and installation, E-mobility solutions, Biogas and natural gas products, Customer portal and online services
Content quality
good
Branding
consistent

Technology

Stack
jQuery, Bootstrap, Google Tag Manager, Usercentrics CMP, Web Components, Fontdeck (Monotype), Lightbox2
Frameworks
Bootstrap
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent with Usercentrics
  • Google Tag Manager with consent mode
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Tag Manager
Tracking level
moderate
Privacy practices
good

Advertising

Marketing tools
Usercentrics Consent Management Platform
Transparency
good

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 targeting Austrian customers.
  3. Strong focus on energy products and services with clear navigation.
  4. Good privacy and cookie compliance with Usercentrics integration.
  5. No visible security policy or incident response contact information.
  6. Use of modern web technologies and consent-based analytics.
  7. Social media presence on major platforms with official accounts.
  8. No suspicious or malicious content detected.
Technical notes

Notes

The website uses a combination of jQuery, Bootstrap, and modern web components, indicating a hybrid approach between legacy and modern frontend technologies. Google Tag Manager and Usercentrics CMP are integrated for analytics and privacy compliance, respectively. Fonts are served via fast.fonts.net (Monotype). The site is mobile optimized with responsive design and includes accessibility basics. Performance is moderate, with room for optimization. No CMS was explicitly detected, suggesting a custom or proprietary platform. Hosting provider details are not disclosed. Overall, the technical infrastructure supports a professional and functional user experience but could benefit from modernization and enhanced security configurations.
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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