Is leboncoin.fr Safe? Security Analysis for leboncoin.fr
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SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
AI Summary
The website www.leboncoin.fr is currently inaccessible due to a CAPTCHA challenge implemented by a bot mitigation service, preventing access to actual site content. The domain WHOIS data is unavailable or not found in the AFNIC database, limiting the ability to verify domain registration details and legitimacy. No metadata, structured data, or business contact information is present in the accessible content. The site appears to be protected by a Web Application Firewall or similar security mechanism, which blocks automated access and may hinder external analysis. Due to these factors, the technical infrastructure and digital maturity cannot be fully assessed, and the security posture is unknown beyond the presence of bot protection. Overall, the risk assessment is limited by the lack of accessible data, and strategic recommendations focus on improving transparency and accessibility for legitimate users and analysts.
Detected Technologies
11 urgent findings need attention
1 critical · 10 high
- + 3 more findings in the full report below
Keep leboncoin.fr under constant watch
Guard tracks your live infrastructure daily: certificate expiry, DNS & mail authentication drift, uptime changes, subdomain inventory, and unexpected tracker or content shifts. A full timeline captures every diff so you can prove remediation and spot regressions instantly.
Security drift alerts
Risk score drops, new high-severity issues, and header hardening gaps
Compliance watch
GDPR / NIS2 posture changes with governance evidence snapshots
Infrastructure surface
Unexpected open services, SSL expiry, DNS & email authentication changes
Content & tracker intelligence
Marketing tech shifts, analytics drift, and AI recommendation updates
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Security Headers
6 findings
45/100
GDPR Compliance
4 findings
25/100
NIS2 Compliance
9 findings
2/100
Email Security
2 findings
87/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Due to the lack of accessible content and WHOIS data, detailed business intelligence analysis is not possible. The domain name suggests an e-commerce platform, likely a classified ads or marketplace service, but no explicit business model, market position, or partnership information is available. The absence of contact details and policies reduces business credibility and trust signals. Without further data, insights into revenue streams, customer segments, or growth indicators cannot be provided.
Security Posture Analysis
Comprehensive Security Assessment
The current security posture shows the presence of a bot mitigation CAPTCHA service, indicating an effort to protect the site from automated threats. However, no other security headers or policies are detectable. The absence of privacy, cookie, or incident response policies suggests gaps in compliance and transparency. The lack of WHOIS data further complicates trust verification. No vulnerabilities or exposed sensitive data are visible due to content blocking, but the inability to analyze the site fully is itself a security concern for external stakeholders.
Strategic Recommendations
Priority Actions for Security Improvement
Implement a user-friendly CAPTCHA or bot mitigation that allows legitimate access for analysis and indexing.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Generic Detected
Page content is a CAPTCHA challenge iframe from captcha-delivery.com indicating WAF or bot protection blocking access to actual site content.
Analysis results may be incomplete. For accurate analysis, please contact guard@offseq.com
Business Insights
poor
Technical Stack
Security Assessment
0Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website content is inaccessible due to a CAPTCHA challenge likely implemented by a WAF or bot mitigation service.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Weak Strict-Transport-Security configuration
LOWCurrent value: "max-age=15768000"
Missing X-Frame-Options header
HIGHPrevents clickjacking attacks
Missing X-Content-Type-Options header
MEDIUMPrevents MIME type sniffing
Missing X-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended)
Weak Referrer-Policy configuration
LOWCurrent value: "no-referrer-when-downgrade"
Missing Permissions-Policy header
MEDIUMControls browser features and APIs
👤GDPR Compliance
Privacy and data protection assessment under GDPR regulations.
GDPR Compliance
Privacy and data protection assessment
No Privacy Policy found
HIGHGDPR requires a clear and accessible privacy policy
No Cookie Policy found
HIGHGDPR requires clear information about cookie usage
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
EU business without adequate privacy measures
CRITICALEU businesses are subject to strict GDPR requirements
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No information security framework found
HIGHNIS2 requires documented cybersecurity and information security measures
No vulnerability disclosure policy
MEDIUMNIS2 encourages coordinated vulnerability disclosure
No security policy documentation found
HIGHNIS2 requires documented cybersecurity governance and risk management
No incident response procedures found
HIGHNIS2 requires documented incident response and business continuity plans
No business continuity planning found
MEDIUMNIS2 emphasizes operational resilience and business continuity
No security contact information
HIGHNIS2 requires clear incident reporting channels
No vulnerability reporting mechanism
MEDIUMClear vulnerability reporting supports coordinated disclosure
No NIS2 reference found
LOWConsider explicitly mentioning NIS2 compliance efforts
Critical sector without clear security compliance
HIGHDetected sectors: transport
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
No MTA-STS Policy
MEDIUMMTA-STS enforces TLS for email delivery
No TLS-RPT Record
LOWTLS-RPT provides reporting for email TLS issues
SPF Details
DKIM Selectors Found
DMARC Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
Weak Protocols Supported
HIGHServer supports weak protocols: TLSv1.1
Certificate Transparency Not Implemented
LOWCertificate is not logged in Certificate Transparency logs
Short HSTS Max-Age
LOWHSTS max-age is less than 1 year
HSTS Missing includeSubDomains
LOWHSTS header does not include subdomains
Protocol Support
OCSP Status
📊DNS Health
DNS configuration and security assessment.
DNS Health
DNS configuration and security assessment
DNSSEC Not Enabled
MEDIUMDNSSEC is not configured for this domain
CAA Records Not Configured
LOWCertificate Authority Authorization (CAA) records not found
Domain Registration Details
DNS Records
DNSSEC Status
DNS Performance
SPF Analysis
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
Good Network Security Posture
LOWNo unnecessary services detected on common risky ports
How does leboncoin.fr compare?
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🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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Marketing Intelligence
Contact emails, phone numbers & warm leads
Plan Comparison
| Feature | PDF Report | Marketing+ |
|---|---|---|
| Full security analysis | ||
| Professional PDF export | ||
| Email delivery | ||
| Lifetime access + unlock code | ||
| Contact emails & phones | — | |
| Marketing outreach data | — |
Already purchased?
Order summary
Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.
Secure payments processed via EveryPay. Prices in EUR; Incl. 21% VAT.
SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
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