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Security report for 3ks.de

3ks · Real Estate · Germany

High risk. 8 critical or high findings in GDPR outside view, Security headers and 2 other checks.

Security score

44/100

Risk levelHigh

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

3ks is a German company specializing in construction and renovation products, notably profiles and their own brand arcadia®, including the Pergone® privacy, wind, and noise protection system. The website is primarily in German and targets professionals and customers in the construction and renovation sector. The business operates in a niche market with patented technology, positioning itself as a specialized provider in the real estate industry. Technically, the website uses the Contrexx CMS platform and integrates UserCentrics for cookie consent management, indicating some level of privacy compliance. However, the site lacks explicit privacy policies, terms of service, and contact information, which limits transparency and user trust. Security posture is moderate with HTTPS assumed but no visible security headers or advanced protections. Overall, the website is functional but basic in content quality and technical sophistication.

Scanned

NIS2 and GDPR posture

GDPR outside view
28/ 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

8 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 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';…

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

Keep watching 3ks.de

This scan found 29 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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  • 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
15
Email security
70
DNS health
60
Network security
20
GDPR outside view
28
Average
44

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 appears to focus on manufacturing and selling patented construction profiles and privacy protection products under its own brand. The target market includes construction professionals and renovation customers in Germany. The business model is product-centric with a focus on innovation and patented technology. There is no evidence of partnerships, subsidiaries, or parent companies from the provided data. The website content is limited, with no visible certifications or trust signals such as testimonials or awards. The lack of contact details and legal pages may impact customer confidence and compliance with regulations.

Security posture

The website uses HTTPS, which is a fundamental security requirement. It integrates UserCentrics for cookie consent, indicating awareness of privacy regulations. However, the absence of security headers such as Content Security Policy, X-Frame-Options, and HSTS reduces the overall security posture. No incident response or vulnerability disclosure information is available, and no security certifications are mentioned. The lack of visible contact channels for security incidents or abuse reports is a gap. No vulnerable libraries or exposed sensitive data were detected in the provided content. Overall, the security maturity is basic and could be improved with standard best practices.

Recommendations

  1. Publish a comprehensive privacy policy and terms of service to improve transparency and compliance.
  2. Implement standard security headers (CSP, HSTS, X-Frame-Options) to enhance security posture.
  3. Add clear contact information including emails and phone numbers for customer support and incident response.
  4. Consider publishing a vulnerability disclosure policy or security.txt file to facilitate responsible reporting.
  5. Enhance website content quality and navigation to improve user experience and trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
3ks
Description
3ks stands for profiles and the own brand arcadia®. The Pergone® is a reliable privacy, wind, and noise protection.
Key services
Profile manufacturing, Arcadia® brand products, Pergone® privacy, wind, and noise protection
Content quality
basic
Branding
moderate

Technology

Stack
UserCentrics (consent management), Font Awesome, Contrexx CMS
Performance
moderate
Mobile
basic
Accessibility
basic
SEO
basic

Security

Observed score
50/100
Good practices seen
  • HTTPS assumed (URL is https)

Analytics and tracking

Tracking level
minimal
Privacy practices
poor

Advertising

Tracking pixels
UserCentrics
Marketing tools
UserCentrics
Transparency
basic

Site quality

Design
basic
User experience
basic
Content relevance
basic
Navigation
basic
Professionalism
basic
Trustworthiness
moderate

Key observations

  1. Website uses UserCentrics for cookie consent management.
  2. No explicit privacy policy or terms of service pages found.
  3. No contact emails or phone numbers detected in the provided content.
  4. Website content is in German and focused on construction and renovation products.
  5. No security headers or advanced security policies detected in the HTML content.
  6. No social media links or business certifications found.
  7. Website uses Contrexx CMS and Font Awesome icons.
  8. No forms detected in the provided HTML snippet.
  9. No analytics or tracking scripts other than UserCentrics detected.
Technical notes

Notes

The website is built on the Contrexx CMS platform and uses Font Awesome for icons. It integrates UserCentrics scripts for cookie consent management, which is a positive privacy feature. The site includes multiple favicon sizes for device compatibility. The HTML content is extensive but lacks modern SEO and accessibility features. Performance is likely moderate given the use of multiple CSS files and scripts. Mobile optimization is basic but present. No advanced frameworks or platforms like React or Angular were detected. Hosting provider details are not available from the provided data. Overall, the technical infrastructure is functional but could benefit from modernization and optimization.
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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