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Security report for inwis.de

InWIS – Institut für Wohnungswesen, Immobilienwirtschaft, Stadt- und Regionalentwicklung GmbH · Real Estate · Germany

Medium risk. 3 critical or high findings in Security headers.

Security score

73/100

Risk levelMedium

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

InWIS GmbH is a German-based institute specializing in housing, real estate economics, and urban and regional development. The organization combines scientific research with practical consulting services, targeting housing companies, developers, municipalities, and other stakeholders in the real estate sector. Their offerings include market analyses, surveys, sustainability consulting, digital tools, and corporate advisory services. The website reflects a professional and well-established entity with a clear market position and strategic partnerships. Technically, the site is built on TYPO3 CMS, uses modern front-end technologies, and demonstrates good performance and mobile optimization. Security posture is strong with HTTPS, security headers, and privacy compliance including cookie consent mechanisms. However, explicit security policies and incident response information are not publicly available. Overall, the site is trustworthy, well-branded, and compliant with GDPR requirements.

Scanned

NIS2 and GDPR posture

GDPR outside view
83/ 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

3 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 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';…

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Keep watching inwis.de

This scan found 20 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
100
Security headers
30
Email security
60
DNS health
65
Network security
100
GDPR outside view
83
Average
73

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 inwis.de, from OffSeq Breach.

No leaked records found

Breach holds no records for inwis.de right now. New leaks arrive continuously, so monitoring on Breach alerts you if that changes.

Monitor on Breach (opens in a new tab)

Technical appendix

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

Business context

Business profile

InWIS operates as a specialized research and consulting institute in the real estate sector, focusing on housing market analysis, sustainability, and urban development. Their business model revolves around providing data-driven insights, surveys, and tailored consulting to a broad client base including housing companies and municipalities. The company maintains partnerships with industry associations and offers digital tools to enhance client decision-making. The website content and structure indicate a medium-sized organization with a strong reputation and consistent branding. Their market positioning is supported by strategic collaborations and a comprehensive service portfolio.

Security posture

The website employs HTTPS with strong SSL configuration and includes multiple security headers such as Content-Security-Policy and Strict-Transport-Security, indicating a mature security posture. Privacy compliance is evident through detailed privacy and cookie policies and a consent mechanism. No critical vulnerabilities or exposed sensitive data were detected in the HTML content. However, the absence of a public security policy, incident response contacts, or vulnerability disclosure program suggests areas for improvement in transparency and readiness. Overall, the security posture is good but could be enhanced by publishing explicit security governance documents.

Recommendations

  1. Publish a dedicated security policy page outlining security frameworks and practices.
  2. Provide incident response contact information such as security@ or abuse@ email addresses.
  3. Implement and publish a vulnerability disclosure or security.txt file to encourage responsible reporting.
  4. Add data protection officer contact details to improve GDPR transparency.
  5. Consider adding terms of service to clarify user and client agreements.

Contact details published on the site

Addresses
Legal name
InWIS – Institut für Wohnungswesen, Immobilienwirtschaft, Stadt- und Regionalentwicklung GmbH
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
InWIS – Institut für Wohnungswesen, Immobilienwirtschaft, Stadt- und Regionalentwicklung GmbH
Description
InWIS ist ein Institut, das Wissenschaft und Praxis im Bereich Wohnungswesen, Immobilienwirtschaft sowie Stadt- und Regionalentwicklung vereint und bietet umfassende Dienstleistungen und Forschung in diesen Bereichen.
Key services
Markt- und Standortanalysen, Befragungen, Nachhaltigkeitsberatung, Digitale Tools und Datenportfolios, Unternehmensberatung, Forschung
Content quality
excellent
Branding
consistent

Technology

Stack
TYPO3 CMS, Glide.js (carousel), JavaScript, CSS
Frameworks
TYPO3 CMS
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism
  • No exposed sensitive data in HTML
  • Use of security headers

Analytics and tracking

Services
Google Analytics, eTracker
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
etracker, GoogleAnalytics
Marketing tools
eTracker
Transparency
good

Site quality

Design
excellent
User experience
excellent
Content relevance
excellent
Navigation
excellent
Professionalism
excellent
Trustworthiness
high

Key observations

  1. Website is fully accessible with rich content and navigation.
  2. Uses TYPO3 CMS with modern front-end technologies.
  3. Strong focus on real estate market research and consulting.
  4. Comprehensive privacy and cookie policies with consent mechanism.
  5. No visible security or privacy red flags.
  6. Active social media presence on LinkedIn, Facebook, and Xing.
  7. No terms of service or explicit security policy pages found.
  8. No vulnerability disclosure or security.txt found.
Technical notes

Notes

The website is powered by TYPO3 CMS, a robust and widely used content management system. Front-end technologies include Bootstrap-like responsive design and Glide.js for carousels, ensuring good user experience across devices. The site loads moderately fast and includes SEO best practices such as meta descriptions and canonical URLs. Accessibility features are present, and the site is mobile optimized. No outdated or vulnerable libraries were detected in the provided HTML. Hosting details are not explicit but the use of multiple name servers suggests professional infrastructure. Overall, the technical implementation is solid with room for performance 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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