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Security report for aco-detego.de

ACO Passavant Detego GmbH · Manufacturing · Germany

Medium risk. 2 critical or high findings in Security headers and SSL/TLS.

Security score

75/100

Risk levelMedium

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

ACO Passavant Detego GmbH is a specialized manufacturer within the ACO Group focusing on manhole covers, street and bridge drains, and technical covers. The company offers both standard and customized solutions, emphasizing safety and aesthetic integration for industrial and infrastructure clients. Their services extend beyond product development to include installation, maintenance, and repair, positioning them as a full-service provider in their niche market. The website reflects a professional and consistent brand image, targeting industrial and infrastructure sectors primarily in Germany. Technically, the website is built on TYPO3 CMS, leveraging modern web technologies including Bootstrap and Google Tag Manager. It features a responsive design with good SEO and accessibility practices. Cookie consent is managed through Klaro, indicating a mature approach to privacy compliance. Performance is moderate, with room for optimization. Security posture is solid with HTTPS enforced and no exposed sensitive data, though security headers could be enhanced and a formal security policy is absent. From a security perspective, the site shows good practices such as consent management and secure data handling in forms. However, the absence of explicit incident response contacts and security.txt files suggests areas for improvement. No vulnerabilities or suspicious content were detected. Overall, the site is trustworthy and professionally maintained, suitable for its business purpose. Strategically, the company should consider enhancing security headers, publishing a security policy, and providing clear incident response contacts to strengthen trust and compliance. Continuous monitoring and technical optimizations will support sustained digital maturity 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

2 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. 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 aco-detego.de

This scan found 21 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

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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
55
Email security
70
DNS health
60
Network security
100
GDPR outside view
95
Average
75

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

ACO Passavant Detego operates as a specialized manufacturing entity within the larger ACO Group, focusing on infrastructure-related products such as manhole covers and drainage solutions. Their competitive advantage lies in offering both standard and bespoke solutions with full lifecycle services including installation and maintenance. The business model is B2B manufacturing and service provision targeting infrastructure, construction, and industrial sectors. The company leverages certifications like RAL-GZ 692 to assure quality and compliance. The website indicates a medium-sized enterprise with a consistent brand presence and a clear focus on German and European markets. Partnerships and parent company affiliation with ACO Group provide market stability and growth potential. The digital presence supports lead generation and customer engagement through detailed product information and contact mechanisms.

Security posture

The website demonstrates a mature security posture with HTTPS enforced and no visible exposure of sensitive data. Cookie consent is actively managed with a clear mechanism, supporting GDPR compliance. However, the absence of explicit security headers such as Content-Security-Policy and X-Frame-Options suggests potential improvements to mitigate common web vulnerabilities. No security policy or incident response contact information is published, which could hinder vulnerability reporting and incident management. No known vulnerabilities or suspicious activities were detected in the site content or scripts. Overall, the security posture is good but could be enhanced by adopting additional HTTP security headers and publishing formal security documentation.

Recommendations

  1. Implement and enforce 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 clear security policy and incident response contact information on the website to facilitate vulnerability reporting and improve transparency.
  3. Consider adding a security.txt file at the root domain to standardize vulnerability disclosure processes.
  4. Optimize website performance to improve loading speed and user experience, especially on mobile devices.
  5. Maintain and regularly update cookie consent mechanisms to ensure ongoing GDPR compliance and user trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
ACO Passavant Detego GmbH
Description
ACO Passavant Detego is a specialist within the ACO Group for manhole covers and technical covers, as well as street and bridge drains. They offer a broad range of standard products and customized special solutions, focusing on safe functionality and aesthetic integration. Their full service includes installation, maintenance, and repair.
Key services
Manhole covers, Street and bridge drains, Custom special solutions, Installation, maintenance, repair
Content quality
good
Branding
consistent

Technology

Stack
TYPO3 CMS, Bootstrap, Google Tag Manager, Klaro Cookie Consent
Frameworks
TYPO3 CMS
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism implemented
  • No exposed sensitive data in HTML
  • Use of Google Tag Manager with consent

Analytics and tracking

Services
Google Tag Manager
Tracking level
moderate
Privacy practices
good

Advertising

Marketing tools
Klaro Cookie Consent
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 challenge.
  2. Content is professional, business-focused, and in German language.
  3. Comprehensive cookie consent and privacy mechanisms implemented.
  4. Use of modern CMS TYPO3 and standard web technologies.
  5. No direct contact emails or phone numbers found in HTML; contact via forms and contact page.
  6. Security headers could be improved for enhanced protection.
  7. No explicit security policy or incident response contacts published.
  8. Good SEO and accessibility practices observed.
  9. No suspicious or malicious content detected.
Technical notes

Notes

The website is built on TYPO3 CMS, a robust and widely used content management system, indicating a stable and scalable infrastructure. It uses Bootstrap for responsive design and integrates Google Tag Manager for analytics and marketing. The site loads multiple compressed CSS and JS assets, suggesting optimization efforts. Cookie consent is managed via Klaro, a modern consent management platform. The site is mobile-optimized with accessibility considerations such as skip links and ARIA labels. Performance is moderate, with potential for improvement in asset loading and caching strategies. No deprecated or vulnerable libraries were detected in the provided scripts. Overall, the technical implementation supports a professional and user-friendly web presence.
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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