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Security report for autoscout24.at

AutoScout24 GmbH · Transportation · Austria

Low risk. 4 critical or high findings in GDPR outside view, Security headers and 1 other check.

Security score

79/100

Risk levelLow

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

AutoScout24 GmbH operates the largest online automotive marketplace in Europe, providing a platform for buying and selling new and used vehicles including cars, motorcycles, and commercial vehicles. The website targets private and professional buyers and sellers primarily in Austria and other European countries. The business model centers on connecting vehicle sellers with buyers through a comprehensive digital marketplace, supported by dealer services and vehicle valuation tools. The company is part of the Scout24 AG group, indicating a strong market position and enterprise scale. Technically, the website employs modern web technologies including React, service workers for offline capabilities, and a consent management platform to ensure GDPR compliance. The site is well-optimized for mobile devices and accessibility, with fast loading times and a professional design. Security is robust with HTTPS enforced, strong security headers, and bot protection via Google reCAPTCHA Enterprise. Privacy policies and cookie consent mechanisms are comprehensive and clearly presented. The security posture is strong with no detected vulnerabilities or exposed sensitive data. However, the site lacks a dedicated security policy or incident response contact information, which could be improved. Overall, the domain registration data aligns well with the business claims, supporting legitimacy and trustworthiness. Strategic recommendations include publishing a formal security policy, establishing clear incident response channels, and considering a vulnerability disclosure program to enhance transparency and trust. Regular audits of third-party scripts and continued adherence to privacy regulations will further strengthen the security and compliance posture.

Scanned

NIS2 and GDPR posture

GDPR outside view
60/ 100 · Medium
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

  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';…
  3. SSL/TLS

    TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.

    • High

      Weak Protocols Supported

      Server supports weak protocols: TLSv1.1

      What to do: Disable TLS 1.0, TLS 1.1, and all SSL versions

      • CWE-327
      • OWASP A04:2025
      • ASVS V12.1.1

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

Keep watching autoscout24.at

This scan found 16 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.

Daily monitoring

Recommended

€25per month

  • 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
82
Security headers
65
Email security
80
DNS health
85
Network security
100
GDPR outside view
60
Average
79

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 autoscout24.at, from OffSeq Breach.

Total records
1,378
Employees
0
Customers
1,331
Third parties
47
Weak passwords
19%

9 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 autoscout24.at.

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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

AutoScout24 is positioned as a leading online automotive marketplace in Europe, leveraging a broad network of regional sister sites to cover multiple countries. Its competitive advantage lies in its scale, comprehensive vehicle listings, and integration of dealer services and valuation tools. Revenue streams likely include advertising, premium listings, and dealer subscriptions. The target customer segments include private vehicle buyers and sellers as well as professional dealers. Growth indicators include extensive localization, multi-language support, and continuous technical modernization. The partnership ecosystem includes authentication providers and consent management platforms, enhancing user experience and compliance. The company demonstrates strong operational maturity and market presence in the transportation sector.

Security posture

The website exhibits a mature security posture with enforced HTTPS, comprehensive security headers, and bot mitigation via reCAPTCHA Enterprise. Data protection practices are evident through GDPR-compliant consent management and privacy policies. No critical vulnerabilities or exposed sensitive data were detected in the analyzed content. However, the absence of a dedicated security policy page and incident response contact channels suggests room for improvement in transparency and readiness. Compliance with GDPR is well-managed, but additional documentation such as a security.txt file or vulnerability disclosure policy would enhance the security culture and stakeholder trust. Overall, the security measures align well with industry best practices for an enterprise-level online marketplace.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and commitments.
  2. Establish and publicize incident response contact channels such as security@ or abuse@ emails.
  3. Implement and maintain a vulnerability disclosure program or security.txt file to encourage responsible reporting.
  4. Regularly audit and update third-party scripts and dependencies to mitigate potential vulnerabilities.
  5. Enhance transparency on data retention policies and user data handling to strengthen privacy compliance.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
AutoScout24 GmbH
Description
Neu- und Gebrauchtwagen sowie Motorräder, Wohnmobile und Nutzfahrzeuge finden Sie auf AutoScout24, dem europaweit größten Online-Automarkt.
Key services
Used car listings, New car listings, Motorcycle listings, Vehicle valuation, Dealer search
Content quality
excellent
Branding
consistent

Technology

Stack
JavaScript ES6 modules, React (implied by hydration comment), Service Workers, Consent Management Platform (CMP), Google reCAPTCHA Enterprise, Lazy loading scripts, CSS custom properties, SVG icons
Frameworks
React
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • Use of reCAPTCHA Enterprise for bot protection
  • Consent management for GDPR compliance
  • No exposed sensitive data in HTML
  • Secure login mechanisms with social providers

Analytics and tracking

Services
Google Analytics (implied), Consent Management Platform
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
DoubleClick
Tracking pixels
seroundprince.com
Marketing tools
Consent Management Platform
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 no blocking or WAF challenges.
  2. Comprehensive privacy and cookie policies with GDPR compliance.
  3. Professional and consistent branding across the site.
  4. Use of modern web technologies and frameworks.
  5. Secure HTTPS with strong security headers.
  6. No exposed sensitive data or obvious vulnerabilities detected.
  7. Clear business information and contact options available.
  8. Use of third-party services for consent management and bot protection.
  9. No suspicious or malicious external domains linked.
Technical notes

Notes

The website is built on a modern technology stack featuring React for frontend rendering, service workers for offline support, and a modular JavaScript architecture. It employs a consent management platform to handle GDPR compliance dynamically. Performance optimizations include lazy loading of scripts and responsive design for mobile devices. The use of SVG icons and CSS custom properties indicates attention to modern web standards. No explicit CMS was detected, suggesting a custom or proprietary content management solution. Hosting details are not explicitly available but the site uses HTTPS with strong SSL configurations. The technical infrastructure supports a fast, accessible, and SEO-optimized user experience with minimal technical debt observed.
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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