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Security report for alexander-buerkle.de

Alexander Bürkle · Energy · Germany

Medium risk. 5 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

70/100

Risk levelMedium

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

Alexander Bürkle is a well-established German company specializing in electrical wholesale and technology services, targeting primarily the crafts, industry, and specialized trade sectors. Their website presents a professional and comprehensive digital presence with multiple branded subsidiaries and partner domains, indicating a mature business ecosystem. The technical infrastructure includes modern consent management via Usercentrics and a GraphQL API for search functionality, reflecting a moderate level of digital maturity. Security posture is adequate with HTTPS and cookie consent mechanisms, but lacks explicit security headers and published privacy policies, which are areas for improvement. Overall, the website is accessible and trustworthy, with no signs of malicious content or blocking mechanisms.

Scanned

NIS2 and GDPR posture

GDPR outside view
58/ 100 · Medium
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

5 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 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';…

  2. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • 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

  3. 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 alexander-buerkle.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
57
Security headers
60
Email security
70
DNS health
75
Network security
100
GDPR outside view
58
Average
70

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 alexander-buerkle.de, from OffSeq Breach.

Total records
171
Employees
2
Customers
105
Third parties
64
Weak passwords
5%

Latest record dated 2026-05-15 · 6 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 alexander-buerkle.de.

Select it in the checkout above.

Masked preview

  • –akademie.alexander-buerkle.de2026-05-15
  • –adfs.alexander-buerkle.de2025-07-20

Breach keeps ingesting new leaks, so these numbers can grow between scans.

Open in Breach(opens in a new tab)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

The company operates in the energy and manufacturing sectors, offering a broad range of services including building technology, energy concepts, automation, and specialized electrical construction. Their business model is B2B focused, serving craftspeople, industrial clients, and specialized retailers. The presence of multiple subsidiaries and partner domains suggests a diversified portfolio and strong market positioning in the German region. The website content and structure support a professional image, with clear navigation and relevant service descriptions. However, the absence of explicit contact details and privacy documentation may limit user trust and compliance transparency.

Security posture

The website uses HTTPS and implements a cookie consent mechanism via Usercentrics, indicating awareness of privacy and security requirements. However, no security headers such as Content Security Policy, HSTS, or X-Frame-Options were detected, which could expose the site to certain web-based attacks. There is no visible security.txt or vulnerability disclosure policy, and no direct contact channels for incident response were found. The lack of a published privacy policy and terms of service reduces compliance confidence. Overall, the security posture is moderate but could be significantly improved by implementing standard security headers, publishing compliance documents, and providing clear incident response contacts.

Recommendations

  1. Publish a comprehensive privacy policy and terms of service accessible from the website footer or main navigation.
  2. Implement standard security headers including Content Security Policy, HSTS, X-Frame-Options, and X-Content-Type-Options.
  3. Add explicit contact information for security incidents and consider publishing a security.txt file for vulnerability disclosure.
  4. Enhance accessibility features to improve compliance with standards and user experience for all visitors.
  5. Regularly audit third-party scripts and libraries to ensure no vulnerabilities or privacy issues.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Alexander Bürkle
Description
Alexander Bürkle unterstützt Handwerk, Industrie und Fachhandel mit innovativen Lösungen. Gebäudetechnik, Energiekonzepte und Automation entdecken!
Key services
Elektrogroßhandel, Technologiedienstleistungen, Gebäudetechnik, Energiekonzepte, Automation
Content quality
good
Branding
consistent

Technology

Stack
Usercentrics CMP, SVG graphics, GraphQL API for search
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
70/100
Good practices seen
  • Use of HTTPS (implied by URL)
  • Cookie consent mechanism implemented

Analytics and tracking

Tracking level
minimal
Privacy practices
basic

Advertising

Tracking pixels
Usercentrics
Marketing tools
Usercentrics Consent Management Platform
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 rich content
  2. No WHOIS data for subdomain as expected
  3. Cookie consent implemented via Usercentrics
  4. No explicit privacy policy or terms of service found in provided content
  5. No direct contact emails or phone numbers found in the HTML snippet
  6. Multiple branded subsidiaries and partner domains linked
  7. No security.txt or vulnerability disclosure found
  8. No suspicious or malicious content detected
Technical notes

Notes

The website employs modern web technologies including SVG graphics for logos and icons, a GraphQL API for search functionality, and Usercentrics for cookie consent management. The HTML structure is well-formed with responsive design elements, supporting good mobile optimization. However, no specific CMS or hosting provider information was detected. Performance appears moderate based on the content size and complexity. SEO is supported by proper meta tags and structured navigation. Accessibility is basic and could be improved. The technical stack is solid but could benefit from enhanced security configurations and performance optimizations.
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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