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Security report for comparo-gmbh.de

Comparo GmbH · Real Estate · Germany

High risk. 10 critical or high findings in Network security, Security headers and 3 other checks.

Security score

45/100

Risk levelHigh

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

Comparo GmbH is a small, regionally focused general contractor based in Leipzig, Germany, specializing in new construction, building renovation, and apartment refurbishment. Established in 2010, the company serves primarily private stock corporations and large housing associations, leveraging a reliable network of approximately 25 subcontractor firms. Their services extend to construction management, planning, valuation, and supervision, with a focus on efficient and environmentally conscious building practices. The website reflects a professional and consistent brand image with clear contact information and GDPR-compliant privacy and cookie policies. Technically, the site is built on WordPress with modern plugins and demonstrates good mobile optimization and SEO practices. Security posture is solid with HTTPS and cookie consent mechanisms, though additional security headers and explicit policies could enhance protection. Overall, the site is trustworthy and well-maintained, supporting the company's market position as a reliable regional general contractor.

Scanned

NIS2 and GDPR posture

GDPR outside view
85/ 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

10 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: SMB

      Port 445 (SMB) is publicly accessible - SMB - Windows file sharing, high risk

      What to do: Immediately restrict access to SMB 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
    • 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';…

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

Keep watching comparo-gmbh.de

This scan found 32 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
15
Email security
55
DNS health
50
Network security
0
GDPR outside view
85
Average
45

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 operates in the real estate and construction sector, targeting institutional clients such as private AGs and large housing companies in Leipzig. Its business model centers on general contracting with a strong emphasis on renovation and new builds, supported by a vetted subcontractor network. The presence of a portfolio PDF and partner logos indicates active marketing and partnership engagement. The website content and structure suggest a stable, small-sized enterprise with a clear regional focus and a professional approach to client communication and project delivery. No parent or subsidiary companies are indicated, and the company appears independent. The use of WordPress and common plugins suggests moderate digital maturity with room for technical enhancements.

Security posture

The website employs HTTPS with a valid SSL configuration, ensuring encrypted communications. Cookie consent is implemented via Complianz, supporting GDPR compliance. No security headers such as Content-Security-Policy or X-Frame-Options were detected, representing an area for improvement. No exposed sensitive data or vulnerable libraries were found in the HTML content. The site uses third-party scripts for analytics (Burst Statistics) and sliders (Smart Slider 3), which should be regularly audited for vulnerabilities. Incident response and security policy information are absent, which could hinder rapid response to security events. Overall, the security posture is good but could be strengthened with additional headers, explicit policies, and a vulnerability disclosure mechanism.

Recommendations

  1. Implement security headers like Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to enhance protection against common web attacks.
  2. Publish a dedicated security policy and incident response page to improve transparency and preparedness.
  3. Regularly audit and update third-party plugins and scripts to mitigate vulnerabilities.
  4. Add a security.txt file to facilitate responsible vulnerability disclosure.
  5. Enhance accessibility features to meet higher compliance standards and improve user experience.

Contact details published on the site

Addresses
Legal name
Comparo GmbH
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Comparo GmbH
Description
Die Comparo GmbH mit Sitz in Leipzig arbeitet seit 2010 als Generalunternehmer vorwiegend für private Aktiengesellschaften und große Wohnungsbaugesellschaften im Raum Leipzig. Schwerpunkte sind Neubau, Sanierung kompletter Gebäude sowie Wohnungssanierung. Das Unternehmen verfügt über einen erfahrenen Nachunternehmerstamm aus ca. 25 Fachfirmen verschiedener Gewerke. Es bietet auch Baumanagement, Bauplanung, Wertermittlung und Bauüberwachung an. Die Firma kooperiert mit Partnern für komplexe Projekte und Chancen für Fördermöglichkeiten.
Key services
Generalunternehmer Neubau, Sanierung kompletter Gebäude, Wohnungssanierung, Baumanagement, Bauplanung, Wertermittlung, Bauüberwachung
Content quality
good
Branding
consistent

Technology

Stack
WordPress, PHP, jQuery, Smart Slider 3, Elementor, FontAwesome
Frameworks
WordPress, Elementor
Platforms
WordPress CMS
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent banner implemented
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Burst Statistics
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
burst-statistics
Marketing tools
Complianz Cookie Consent, Burst Statistics
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 challenges.
  2. Content is primarily in German and targeted at regional construction and real estate clients.
  3. Cookie consent and privacy policies are implemented and GDPR compliant.
  4. No explicit terms of service or security policy pages found.
  5. Contact information is clearly presented with email, phone, and physical address.
  6. No social media links detected.
  7. Technical stack is modern and based on WordPress with common plugins.
  8. Security posture is good but could be improved with additional headers and policies.
  9. No critical vulnerabilities or exposed sensitive data detected.
Technical notes

Notes

The website is built on WordPress CMS using Elementor and Smart Slider 3 plugins, with jQuery and FontAwesome libraries. Hosting is provided by kasserver.com as indicated by nameservers. The site loads CSS and JS assets optimized via Autoptimize, contributing to moderate performance. Mobile optimization is good with responsive design and lazy loading of images. SEO is supported by proper meta tags and structured navigation. Accessibility is basic but could be improved. No critical technical debt or outdated technologies were detected, though adding modern security headers and improving accessibility would enhance the technical maturity.
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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