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Security report for drouot.immo

DROUOT IMMOBILIER · Real Estate · France

Medium risk. 5 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

67/100

Risk levelMedium

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

Drouot.immo operates as an online real estate auction platform primarily serving the French market. It leverages the expertise of the Drouot Group to provide a transparent, secure, and efficient digital auction experience for buyers and sellers of real estate. The platform targets individual buyers, sellers, and real estate agencies, offering services such as property listings, buyer registration, and real-time bidding. The business model centers on facilitating competitive bidding to achieve fair market prices quickly and transparently. Technically, the website is built using modern web technologies including React and Next.js, hosted by OVH SAS. The site demonstrates good mobile optimization and SEO practices, with a moderate performance profile. The infrastructure is professionally implemented but could benefit from enhanced security headers and DNSSEC activation to strengthen domain security. From a security perspective, the site enforces HTTPS and employs domain status protections to prevent unauthorized transfers or deletions. However, it lacks advanced security headers and a formal security policy or incident response contact information. Privacy compliance is addressed with comprehensive privacy and terms of service pages, though a cookie consent mechanism is absent. Analytics are implemented via Google Analytics and Google Tag Manager, with moderate user tracking. Overall, Drouot.immo presents a credible and professional online presence with a solid business foundation and technical implementation. Security and privacy practices are adequate but could be improved to meet higher compliance and trust standards. The domain registration data aligns well with the business claims, supporting legitimacy and trustworthiness.

Scanned

NIS2 and GDPR posture

GDPR outside view
53/ 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

5 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 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';…

  2. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • 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

  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 drouot.immo

This scan found 24 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

Email alerts on material changes and an exportable JSON history of every change.

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Full report

€39.90one-time

  • The complete analysis as a PDF you can cite
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Prices incl. 21% VAT. Secure checkout by Mollie; sold by SEQ SIA, Latvia.

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
72
Security headers
30
Email security
70
DNS health
75
Network security
100
GDPR outside view
53
Average
67

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

Technical appendix

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

Business context

Business profile

Drouot.immo occupies a niche in the French real estate market by offering an innovative online auction platform that accelerates property sales and enhances price transparency. Its competitive advantage lies in leveraging Drouot Group's auction expertise and integrating real estate professionals into the process, ensuring buyer credibility and seller support. The platform's revenue likely derives from commissions or fees associated with successful auctions. Target customers include private buyers, sellers, and real estate agencies seeking efficient sales mechanisms. The partnership ecosystem includes real estate agencies and the parent Drouot Group. Growth potential exists in expanding auction volumes and partner networks, though competition from traditional and online real estate marketplaces is a factor. Strategic observations suggest focusing on enhancing security, privacy compliance, and user experience to strengthen market position.

Security posture

The website demonstrates a moderate security maturity level with HTTPS enforced and domain status protections in place. The absence of DNSSEC and advanced security headers such as Content-Security-Policy and HSTS represents areas for improvement. No exposed sensitive data or vulnerable libraries were detected in the analysis. The platform lacks a published security policy or incident response contacts, which limits transparency in handling security incidents. Data protection practices appear aligned with GDPR through comprehensive privacy policies, but the lack of cookie consent mechanisms may pose compliance risks. Overall, the security posture is adequate for the business type but would benefit from enhancements to reduce risk and improve trust.

Recommendations

  1. Enable DNSSEC on the domain to protect against DNS spoofing and improve domain security.
  2. Implement comprehensive security headers including Content-Security-Policy, X-Frame-Options, and HTTP Strict Transport Security (HSTS).
  3. Add a cookie consent banner/mechanism to comply with GDPR and ePrivacy Directive requirements.
  4. Publish a formal security policy and provide incident response contact information to enhance transparency and trust.
  5. Regularly audit third-party scripts and libraries to ensure no vulnerabilities are introduced.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
DROUOT IMMOBILIER
Description
Drouot.immo is an online real estate auction platform that enables users to buy or sell properties transparently and securely through interactive digital auctions.
Key services
Online real estate auctions, Property listing and selling, Buyer registration and bidding, Real estate professional support
Content quality
good
Branding
consistent

Technology

Stack
React, Next.js, JavaScript, CSS
Frameworks
Next.js
Platforms
Web
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
75/100
Good practices seen
  • HTTPS enforced
  • Domain status protections clientDeleteProhibited and clientTransferProhibited

Analytics and tracking

Services
Google Analytics
Tracking level
moderate
Privacy practices
basic

Advertising

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 rich content and professional design
  2. No WAF or blocking mechanisms detected
  3. WHOIS data supports legitimacy and business consistency
  4. Privacy and terms policies are present and comprehensive
  5. No explicit cookie consent mechanism found
  6. Security headers are minimal; DNSSEC not enabled
  7. Uses modern web technologies and frameworks
  8. Includes social media presence on LinkedIn and Instagram
  9. Contact information is available via contact page and forms
Technical notes

Notes

The website is built on a modern React and Next.js stack, indicating a contemporary and maintainable codebase. Hosting by OVH SAS provides reliable infrastructure. The site uses CSS and JavaScript efficiently with deferred script loading to optimize performance. SEO is well addressed with meta tags and Open Graph data. Accessibility is basic but present. Performance is moderate, suggesting room for optimization in resource loading and caching. No CMS detected, implying a custom or bespoke solution. Technical risks include lack of DNSSEC and minimal security headers, which could be addressed to reduce attack surface. Overall, the technical infrastructure supports the business needs effectively with opportunities for security and performance improvements.
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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