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Security report for heycar.fr

Mobility Trader France SAS · Transportation · France

Medium risk. 4 critical or high findings in SSL/TLS and GDPR outside view.

Security score

65/100

Risk levelMedium

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

heycar is a French online marketplace specializing in certified used cars, offering vehicles inspected and guaranteed up to 36 months through partnerships with authorized dealerships. The company, Mobility Trader France SAS, founded in 2021, targets consumers in France seeking reliable used vehicles and provides additional services such as vehicle resale and auto credit offers. The website demonstrates a modern technical infrastructure leveraging Next.js, AWS hosting, and integrations with payment and mapping APIs, ensuring a fast and mobile-optimized user experience. Security posture is solid with HTTPS enforcement and client transfer protection on the domain, though improvements like enabling DNSSEC and publishing explicit security and privacy policies are recommended. Overall, heycar presents a trustworthy and professional platform with good privacy compliance and extensive marketing and analytics tools integrated.

Scanned

NIS2 and GDPR posture

GDPR outside view
50/ 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. 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.

    • Critical

      Unable to retrieve SSL certificate

      Could not establish secure connection to retrieve certificate information

      What to do: Check if the server is accessible and SSL/TLS is properly configured

  2. GDPR outside view

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

    • High

      No Privacy Policy found

      GDPR requires a clear and accessible privacy policy

      What to do: Add a comprehensive privacy policy page and link to it prominently

    • 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

    • High

      Third-party services without privacy policy

      Detected services: Google Analytics, Facebook, LinkedIn, YouTube

      What to do: Document all third-party data sharing in your privacy policy

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

Keep watching heycar.fr

This scan found 13 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
0
Security headers
90
Email security
65
DNS health
85
Network security
100
GDPR outside view
50
Average
65

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

heycar holds a strong position in the French used car market by focusing on quality assurance and customer trust through warranties and dealership partnerships. Its business model revolves around an e-commerce platform facilitating vehicle purchases and sales, supplemented by financing options. The company benefits from a medium-sized operational scale and a growing digital presence supported by social media and customer reviews. Strategic partnerships with entities like carsale24.com and group-mobility-trader.com enhance its service offerings and backend capabilities. The platform's user-friendly design and comprehensive vehicle listings cater well to its target audience, positioning heycar competitively in the transportation sector.

Security posture

The website maintains a good security baseline with HTTPS and domain transfer protections. The presence of cookie consent and use of ReCAPTCHA indicate attention to privacy and bot mitigation. However, the absence of DNSSEC and lack of published security policies or incident response contacts represent gaps in transparency and defense-in-depth. No vulnerabilities or exposed sensitive data were detected in the analyzed content. To elevate security maturity, heycar should implement additional HTTP security headers, enable DNSSEC, and provide clear security and incident response documentation to users and researchers.

Recommendations

  1. Enable DNSSEC on the domain to enhance DNS security and prevent spoofing.
  2. Publish a comprehensive privacy policy and terms of service accessible from the homepage.
  3. Add a security policy and incident response contact information to improve transparency and readiness.
  4. Implement additional HTTP security headers such as Content-Security-Policy and X-Frame-Options.
  5. Regularly audit third-party scripts and dependencies to ensure no vulnerable libraries are used.

Contact details published on the site

Addresses
Legal name
Mobility Trader France SAS
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Mobility Trader France SAS
Description
heycar vous propose des véhicules de qualité, certifiés et contrôlés par des concessions partenaires labellisées. Trouvez votre occasion parfaite, facilement, rapidement et en toute confiance !
Key services
Used car listings, Vehicle certification and warranty, Car resale service, Auto credit offers
Content quality
good
Branding
consistent

Technology

Stack
React (Next.js), AWS DNS, Stripe (payment processing), Google Maps API, Google Places API, ReCAPTCHA, Quantcast Consent Management, Web Vitals
Frameworks
Next.js
Platforms
AWS
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • ClientTransferProhibited domain status
  • Cookie consent mechanism implemented
  • Use of ReCAPTCHA for bot protection

Analytics and tracking

Services
Quantcast, Web Vitals
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
InMobi
Tracking pixels
Quantcast, Driftrock
Marketing tools
GrowthBook, Kentico, Phrase Web App
Transparency
good

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. Strong focus on French market with localized content and language.
  3. Comprehensive use of modern web technologies and APIs.
  4. Good privacy and cookie consent implementation.
  5. Lack of explicit privacy policy and terms of service pages detected in provided content.
  6. No explicit security or incident response policies published.
  7. WHOIS data supports legitimacy and transparency.
  8. Multiple trusted external services and partners integrated.
Technical notes

Notes

heycar's website is built on a modern React-based framework (Next.js) hosted on AWS infrastructure, ensuring scalability and performance. The site uses multiple APIs for search, user management, and image delivery, indicating a microservices-oriented backend. Integration with Stripe for payments and Google APIs for location services enhances functionality. The site is mobile-optimized and uses advanced consent management tools for GDPR compliance. Performance is fast with preloading and asynchronous script loading. Opportunities exist to improve DNS security and formalize security documentation to reduce technical risks.
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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