Skip to main content

Security report for bhk-rohrbau.de

BHK Tief- und Rohrbau GmbH & Co. KG · Energy · Germany

Medium risk. 6 critical or high findings in GDPR outside view, Security headers and 2 other checks.

Security score

51/100

Risk levelMedium

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

BHK Tief- und Rohrbau GmbH & Co. KG is a well-established German company specializing in pipeline construction, civil engineering, and cable laying services. Founded in 1990 and operating under the parent company SEIER Gruppe, BHK serves regional clients with a focus on quality, reliability, and sustainable infrastructure development. The company offers a broad range of services including house connections, vacuum excavation, horizontal drilling, and network planning, positioning itself as a trusted partner in the energy and transportation sectors. Technically, the website is built on WordPress with modern frameworks such as UIkit and enhanced by SEO tools like Yoast. It employs Google Tag Manager and Cookiebot for analytics and privacy compliance, respectively. The site is mobile-optimized, accessible, and demonstrates good performance and SEO practices. Multiple office locations are clearly presented with comprehensive contact information, supporting strong business credibility. From a security perspective, the website enforces HTTPS and uses cookie consent mechanisms, but lacks explicit security headers and published security policies or incident response contacts. No vulnerabilities or exposed sensitive data were detected. The domain registration data aligns well with the business claims, showing consistency and legitimacy. Overall, the website reflects a professional, trustworthy, and compliant digital presence suitable for its industry and audience. Strategic improvements in security headers and transparency around security policies could further enhance trust and resilience.

Scanned

NIS2 and GDPR posture

GDPR outside view
43/ 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

6 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

    • 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

  2. 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 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';…

  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

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

Keep watching bhk-rohrbau.de

This scan found 26 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.

Daily monitoring

Recommended

€25per month

  • TLS certificates and expiry
  • DNS records
  • SPF, DKIM and DMARC
  • Security headers
  • GDPR and NIS2 posture
  • Exposed services
  • Third-party trackers
  • Security score drift

Email alerts on material changes and an exportable JSON history of every change.

Billed monthly to your card. Cancel anytime. The full timeline opens with your unlock code.

Full report

€39.90one-time

  • The complete analysis as a PDF you can cite
  • Email delivery with an unlock code
  • Lifetime access to this report

Prices incl. 21% VAT. Secure checkout by Mollie; sold by SEQ SIA, Latvia.

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
30
Email security
70
DNS health
70
Network security
20
GDPR outside view
43
Average
51

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

BHK operates in the energy and transportation sectors, focusing on infrastructure projects related to pipeline and cable laying as well as civil engineering. Its business model centers on providing specialized construction services with a strong emphasis on quality and reliability. The company benefits from stable order volumes and a loyal client base, supported by its integration into the SEIER Gruppe. The website highlights career opportunities, signaling growth and investment in workforce development. The presence on multiple social media platforms and a professional website indicates active engagement with clients and potential employees. The company’s strategic focus on the energy transition and infrastructure expansion positions it well for future market demands.

Security posture

The website demonstrates a moderate to good security posture with mandatory HTTPS encryption and a cookie consent mechanism compliant with GDPR. However, it lacks explicit security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options, which are recommended to mitigate common web vulnerabilities. There is no visible security policy or incident response contact information, which could be a gap in transparency and preparedness. No vulnerabilities or sensitive data exposures were found in the HTML content. The domain registration is consistent and transparent, supporting trustworthiness. Overall, the security posture is adequate but could be improved by implementing additional security headers and publishing security-related policies.

Recommendations

  1. Implement and enforce security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to enhance protection against common web attacks.
  2. Publish a clear security policy and provide incident response contact information on the website to improve transparency and readiness.
  3. Consider adding a vulnerability disclosure policy or security.txt file to facilitate responsible reporting of security issues.
  4. Regularly audit and update third-party scripts and plugins to minimize risks from vulnerable libraries.
  5. Enhance privacy compliance by documenting data retention policies and user data handling practices explicitly.

Contact details published on the site

Addresses
Legal name
BHK Tief- und Rohrbau GmbH & Co. KG
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
BHK Tief- und Rohrbau GmbH & Co. KG
Description
Ihr Partner für Rohrleitungsbau, Tiefbau und Kabelverlegung. BHK bringt Qualität und Erfahrung seit 1990 in die Projekte ein.
Key services
Rohrleitungsbau (Pipeline construction), Tiefbau (Civil engineering), Kabelleitungsbau (Cable laying), Hausanschluss (House connection), Saug­baggern (Vacuum excavation), Horizontalbohrungen (Horizontal drilling), Schutzrohrpressungen (Protective pipe pressing), Anlagenbau (Plant construction), Netzplanung und Dokumentation (Network planning and documentation)
Content quality
excellent
Branding
consistent

Technology

Stack
WordPress 6.8.2, Yoast SEO plugin, UIkit 4.5.24, Google Tag Manager, Cookiebot, Contact Form 7
Frameworks
UIkit
Platforms
WordPress
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism implemented
  • No exposed sensitive data in HTML
  • Use of Google Tag Manager for controlled script loading

Analytics and tracking

Services
Google Tag Manager
Tracking level
moderate
Privacy practices
good

Advertising

Marketing tools
Cookiebot
Transparency
basic

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 challenges.
  2. Content is in German and professionally presented.
  3. Multiple office locations with detailed contact info.
  4. Strong social media presence on Facebook, LinkedIn, Instagram, TikTok, and YouTube.
  5. Cookie consent implemented via Cookiebot.
  6. Use of modern web technologies and SEO best practices.
  7. No visible security policy or incident response info on site.
  8. No terms of service page found.
  9. No explicit vulnerability disclosure or security.txt found.
Technical notes

Notes

The website is built on a modern WordPress CMS platform using version 6.8.2, enhanced with the Yoast SEO plugin for search engine optimization. The UIkit framework (version 4.5.24) is used for responsive design and UI components, ensuring good mobile optimization and accessibility. Google Tag Manager is employed for analytics and tag management, while Cookiebot manages cookie consent and compliance. Contact Form 7 is used for form handling, indicating standard WordPress form management. The site loads external scripts asynchronously to improve performance. The overall technical infrastructure is modern and well-maintained, though hosting provider details are not explicitly identified. Performance is moderate with good SEO and accessibility features, supporting a professional user experience.
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

Reviews of this site

Share your experience with bhk-rohrbau.de. Every review is verified by email and published after moderation.

Overall rating
Select a rating
4000 characters remaining

We’ll email you to confirm your review and keep your details private.

Community rating

No published reviews yet. Be the first to review bhk-rohrbau.de.

Feedback on this report

Rate this report, add an optional comment, and tell us if you want a security specialist to follow up.

Overall report quality
Select a rating
2000 characters remaining

We only use your feedback to improve Guard reports. Contact details are never shared.