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Security report for dkb-grund.de

DKB Grund GmbH · Real Estate · Germany

Medium risk. 4 critical or high findings in GDPR outside view and Security headers.

Security score

70/100

Risk levelMedium

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

DKB Grund GmbH is a German real estate company specializing in property sales, financing, insurance, and investment services. With over 25 years of experience, it serves private and commercial clients across Germany. The website presents a comprehensive portfolio of services including property valuation, financing certificates, and energy-saving advice, supported by a strong regional presence and recognized industry partnerships. Technically, the site uses modern web technologies and analytics tools but currently lacks a valid SSL certificate, which impacts its security posture. The company demonstrates good GDPR compliance with a clear privacy and cookie policy and employs consent management tools. However, there is no explicit security policy or incident response information available. Overall, the website is professionally designed, user-friendly, and trustworthy, but the lack of HTTPS is a critical security gap that should be addressed promptly.

Scanned

NIS2 and GDPR posture

GDPR outside view
18/ 100 · Critical
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

4 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

    • High

      No Cookie Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

  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 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';…

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Keep watching dkb-grund.de

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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
100
Security headers
60
Email security
50
DNS health
90
Network security
100
GDPR outside view
18
Average
70

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

Breach exposure

Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.

Dark web exposure

Add-on

Leaked records that mention dkb-grund.de, from OffSeq Breach.

Total records
4
Employees
0
Customers
4
Third parties
0
Weak passwords
0%

4 subdomains affected

See the 10 newest leaked credentials

A one-off add-on to this report that lists the most recent identifier and password pairs OffSeq Breach holds for dkb-grund.de.

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Breach keeps ingesting new leaks, so these numbers can grow between scans.

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

DKB Grund GmbH holds a solid position in the German real estate market, focusing on brokerage and financing services for both private and commercial sectors. Its business model integrates property sales, financing facilitation, insurance offerings, and investment portfolio management. The company leverages partnerships with major platforms like Immowelt and ImmoScout and maintains a strong digital presence with targeted content and localized teams. Revenue streams likely include commissions from property sales, financing arrangements, and insurance products. The target audience includes home buyers, sellers, investors, and businesses seeking commercial real estate financing. The company’s growth is supported by its extensive network of regional offices and a comprehensive service portfolio. Strategic partnerships and certifications enhance its market credibility and customer trust.

Security posture

The current security posture of the DKB Grund website is moderate to low due to the absence of a valid SSL certificate and lack of modern TLS protocol support, which exposes users to potential data interception risks. While the site employs GDPR-compliant privacy and cookie policies with consent management, it lacks visible security policies and incident response procedures, which are important for transparency and trust. No security headers are detected, and critical best practices like HSTS and OCSP stapling are not implemented. The DNS configuration is stable with no subdomain takeover vulnerabilities, but DNSSEC is not enabled, which could improve DNS security. Overall, the site needs urgent improvements in transport layer security and enhanced security controls to protect user data and maintain compliance with evolving regulations.

Recommendations

  1. Obtain and deploy a valid SSL/TLS certificate to enable HTTPS across the entire site.
  2. Enable and enforce modern TLS protocols (TLS 1.2 and TLS 1.3) and disable outdated protocols.
  3. Implement HTTP Strict Transport Security (HSTS) with preload to prevent protocol downgrade attacks.
  4. Add security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  5. Publish a clear security policy and incident response contact information to improve transparency and trust.

Contact details published on the site

Addresses
Legal name
DKB Grund GmbH
Technical notes

Notes

The website is built on a CMS platform likely OpenCms, hosted on Amazon AWS infrastructure, and uses a modern front-end stack including JavaScript, CSS3, and HTML5. It integrates analytics via Matomo and Google Tag Manager and employs Usercentrics for consent management, indicating a mature approach to user privacy and data collection. Performance is moderate with a page load time of approximately 5.6 seconds and a page size of 320+ KB, which is acceptable but could be optimized. Mobile optimization and accessibility are good, with responsive design and ARIA attributes present. SEO is well addressed with meta tags, Open Graph data, and structured navigation. However, the lack of SSL/TLS and security headers represents a technical risk that could impact business operations and user trust.
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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