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Security report for immobilienbesucher.de

immobilienbesucher.de · Real Estate · Germany

Medium risk. 6 critical or high findings in GDPR outside view, Security headers and 1 other check.

Security score

61/100

Risk levelMedium

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

immobilienbesucher.de is a German real estate service provider specializing in nationwide property inspections, measurement services compliant with WoFlV and DIN277, and property valuation reports including Wertindikationen and Gutachtenerstellungen. The company targets business customers, investors, and real estate professionals, offering detailed service descriptions, pricing, and online order forms. The website is built on modern technologies including React and Next.js, hosted on DigitalOcean, and uses Material-UI for UI components. It features a cookie consent mechanism via Klaro and integrates Google reCAPTCHA for bot protection. Security posture is good with HTTPS enforced, but could be improved by adding security headers and publishing a security policy. The domain WHOIS data is consistent with the business focus and shows no privacy protection, which is appropriate. Overall, the website is professional, trustworthy, and well-optimized for performance and SEO.

Scanned

NIS2 and GDPR posture

GDPR outside view
43/ 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

6 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 immobilienbesucher.de

This scan found 26 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
75
Security headers
15
Email security
70
DNS health
65
Network security
100
GDPR outside view
43
Average
61

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 immobilienbesucher.de, from OffSeq Breach.

Total records
24
Employees
0
Customers
24
Third parties
0
Weak passwords
63%

2 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 immobilienbesucher.de.

Select it in the checkout above.

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

The company operates in the niche German real estate valuation and inspection market, leveraging recognized standards such as BelWertV, WoFlV, and DIN277. Its business model revolves around providing certified inspection and measurement services to banks, investors, real estate agents, and private clients. The presence of multiple contact and order forms indicates a direct-to-customer service approach. The partnership with webbar.dev suggests collaboration with web development or digital service providers. The company appears small but focused, with clear service offerings and pricing transparency, positioning itself as a reliable service provider in its sector.

Security posture

The website demonstrates a mature security posture with HTTPS enabled and Google reCAPTCHA integration to prevent automated abuse. The cookie consent mechanism complies with GDPR requirements, allowing users to manage marketing cookies. However, the absence of explicit security headers such as Content-Security-Policy and lack of published security or incident response policies represent areas for improvement. No vulnerabilities or exposed sensitive data were detected in the HTML content. The site does not publish a security.txt file or dedicated incident response contact, which could enhance transparency and trust.

Recommendations

  1. Implement and configure HTTP security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  2. Publish a clear security policy and incident response contact information on the website.
  3. Add a security.txt file to facilitate vulnerability disclosure and improve security transparency.
  4. Consider adding explicit company phone numbers and physical address details to enhance business credibility.
  5. Regularly audit third-party scripts and dependencies to ensure no vulnerable libraries are used.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
immobilienbesucher.de
Description
Bundesweite Objektbesichtigungen, Aufmaße nach WoFlV und DIN277, Wertermittlungen, Gutachten
Key services
Objektbesichtigungen nach BelWertV, Aufmaßservice nach WoFlV und DIN277, Wertindikationen und Gutachtenerstellungen, Vermittlung von Bausachverständigen und Immobiliengutachtern
Content quality
good
Branding
consistent

Technology

Stack
React, Next.js, Material-UI, Klaro (cookie consent), Google reCAPTCHA
Frameworks
Next.js, Material-UI
Performance
fast
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Google reCAPTCHA used for bot protection
  • Cookie consent with opt-in/out
  • No exposed sensitive data in HTML

Analytics and tracking

Tracking level
minimal
Privacy practices
good

Advertising

Tracking pixels
Google reCAPTCHA
Marketing tools
YouTube embeds
Transparency
basic

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 in German and targets German real estate market.
  3. Multiple service offerings with clear pricing and ordering forms.
  4. Cookie consent implemented with Klaro.
  5. No phone numbers or physical addresses explicitly found in HTML content.
  6. No explicit security policy or incident response contacts published.
  7. Use of modern web technologies and hosting on DigitalOcean.
  8. No suspicious or malicious content detected.
Technical notes

Notes

The website is built using a modern React and Next.js stack with Material-UI for styling and components, indicating a contemporary and maintainable codebase. Hosting on DigitalOcean provides reliable infrastructure. The site is optimized for performance with prefetching and deferred script loading. Mobile optimization is good, and SEO meta tags including Open Graph and Twitter cards are properly implemented. Accessibility is basic but could be improved. The use of Klaro for cookie consent and Google reCAPTCHA for bot protection demonstrates attention to privacy and security best practices. No CMS detected, indicating a custom-built solution tailored to business needs.
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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