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Security report for mhigruppe.de

Mitteldeutsche Hartstein-Industrie AG · Manufacturing · Germany

High risk. 6 critical or high findings in Network security, Security headers and 1 other check.

Security score

49/100

Risk levelHigh

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

Mitteldeutsche Hartstein-Industrie AG is a well-established German company specializing in the production and supply of raw and construction materials, infrastructure construction, recycling, and related services. With a history spanning over 119 years and a network of 42 locations, the company serves primarily business clients in the construction and infrastructure sectors. Their business model focuses on B2B supply and service provision, emphasizing sustainability and quality. The website reflects a professional and consistent brand image, supported by certifications such as Fair Company 2025 and active social media engagement. Technically, the website is built on TYPO3 CMS with modern web technologies including Bootstrap, jQuery, and Font Awesome. It integrates analytics tools like Matomo and Google Analytics and uses Google Maps API for location services. The site is mobile-optimized and offers good SEO and accessibility features, although some accessibility improvements could be made. Performance is moderate, with no critical technical issues detected. From a security perspective, the site enforces HTTPS and employs a comprehensive cookie consent mechanism aligned with GDPR requirements. However, it lacks explicit security headers and a published security policy or incident response contact. No vulnerabilities or exposed sensitive data were found. The domain registration data is consistent with the company's identity and history, supporting a high trust level. Overall, the website is professional, secure, and compliant with privacy regulations, serving as a credible digital presence for the company. Strategic improvements in security policy transparency and accessibility could further enhance trust and compliance.

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

6 findings rated critical or high. Fix these first.

  1. Network security

    Services reachable from the internet are the first thing attackers probe. Anything open that does not need to be should be closed.

    • Critical

      Critical Service Exposed: MySQL

      Port 3306 (MySQL) is publicly accessible - MySQL - Database server

      What to do: Immediately restrict access to MySQL using firewall or VPN

      • NIS2 21(2)(e)
      • IR 2024/2690 6.7.2(f): Implementing Regulation (EU) 2024/2690, Annex point 6.7.2(f): Network security
      • NIST CM-7: NIST SP 800-53 Rev. 5 CM-7: Least Functionality
      • NIST SC-7: NIST SP 800-53 Rev. 5 SC-7: Boundary Protection

  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 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';…

  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 mhigruppe.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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Recommended

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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
62
Security headers
30
Email security
65
DNS health
60
Network security
0
GDPR outside view
83
Average
50
After the cap
49

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 · found on this site
  • 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 holds a strong market position as a regional leader in raw materials and infrastructure services with a diversified portfolio including natural stone, asphalt, concrete, recycling, and logistics. Its long history and multiple subsidiaries indicate a mature and stable business. The target customers are primarily construction and infrastructure businesses requiring quality materials and services. The company leverages digital tools for marketing and customer engagement, including newsletters, social media, and feedback platforms. Growth indicators include active job postings and training portals. The partnership ecosystem includes subsidiaries and service companies under the MHI umbrella, with no suspicious or unrelated domains detected.

Security posture

The website demonstrates a moderate to good security maturity level with enforced HTTPS and GDPR-compliant cookie consent. The absence of security headers and a public security policy or incident response contact are gaps that reduce overall security posture. No vulnerabilities or sensitive data exposures were detected in the HTML content. The use of third-party analytics and tracking pixels is transparent and consent-based. Incident response readiness and vulnerability disclosure mechanisms are not evident, which could be improved to enhance security culture and compliance.

Recommendations

  1. Implement standard security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security to harden the website against common attacks.
  2. Publish a clear security policy and provide dedicated incident response contact channels (e.g., security@ or abuse@ email addresses).
  3. Conduct regular audits of third-party scripts and libraries to identify and mitigate potential vulnerabilities.
  4. Enhance website accessibility to meet higher standards, improving usability for all users.
  5. Consider adding a vulnerability disclosure policy or security.txt file to encourage responsible reporting and improve transparency.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Mitteldeutsche Hartstein-Industrie AG
Description
Mitteldeutsche Hartstein-Industrie AG is a company specializing in raw and construction materials, infrastructure construction, recycling, and related services. They emphasize sustainability, quality, and social responsibility.
Key services
Raw and construction materials (natural stone, asphalt, concrete), Infrastructure construction (road and civil engineering), Recycling and landfill services, Logistics and material testing services
Content quality
good
Branding
consistent

Technology

Stack
TYPO3 CMS, jQuery, Bootstrap, Font Awesome, Matomo Analytics, Google Analytics, Google Maps API
Frameworks
TYPO3 CMS
Platforms
Web
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • Cookie consent with opt-in mechanism
  • No exposed sensitive data in HTML
  • Use of session cookies with limited scope

Analytics and tracking

Services
Matomo, Google Analytics
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Matomo, Indeed Pixel
Marketing tools
Google Maps, SurveyMonkey
Transparency
good

Site quality

Design
good
User experience
good
Content relevance
good
Navigation
good
Professionalism
good
Trustworthiness
high

Key observations

  1. Website uses a modern CMS (TYPO3) with a professional design.
  2. Comprehensive cookie consent mechanism with detailed cookie categories.
  3. Multiple social media channels linked, indicating active engagement.
  4. Company has a long history and multiple subsidiaries.
  5. No signs of phishing, malware, or suspicious content.
  6. No explicit security policy or incident response information found.
  7. No terms of service page detected.
  8. Good GDPR compliance with cookie consent and privacy policy.
  9. Use of Matomo and Google Analytics for user tracking.
  10. No advertising networks detected beyond analytics and tracking pixels.
Technical notes

Notes

The website is built on TYPO3 CMS, a robust and widely used content management system, supported by Bootstrap for responsive design and jQuery for interactivity. It uses Font Awesome for icons and integrates Matomo and Google Analytics for user tracking and analytics. Google Maps API is used for location services. The site is mobile-optimized with a clear navigation structure and good SEO metadata. Performance is moderate, with no critical technical debt or outdated libraries detected. Opportunities exist to improve accessibility and implement additional security headers to reduce risk.
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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