Is kayak.fr Safe? Security Analysis for KAYAK
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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 analyzed website is a CAPTCHA verification page for the French domain of KAYAK, a well-known global travel metasearch engine. The page is designed to verify that visitors are legitimate users and not automated bots, employing Google reCAPTCHA Enterprise technology. Due to this security mechanism, the actual website content is inaccessible, limiting the ability to perform a full content and compliance analysis. KAYAK operates under Booking Holdings Inc., serving travelers seeking flights, hotels, and car rentals by aggregating offers from multiple providers. The domain WHOIS data is unavailable, which restricts verification of domain legitimacy and ownership details. The presence of advanced bot mitigation indicates a mature security posture, but the lack of visible privacy, cookie, or contact information on this page reduces transparency and user trust.
Detected Technologies
12 urgent findings need attention
1 critical · 11 high
- + 4 more findings in the full report below
Keep kayak.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
7 findings
20/100
GDPR Compliance
4 findings
25/100
NIS2 Compliance
9 findings
2/100
Email Security
4 findings
70/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
KAYAK is positioned as a leading travel metasearch platform targeting global travelers. Its business model revolves around aggregating travel offers and referring users to partner sites for bookings. The presence of sister domains such as momondo.com and cheapflights.com indicates a broad portfolio under the same corporate umbrella. The company leverages cloud infrastructure for asset delivery and employs advanced bot protection to safeguard its services. However, the CAPTCHA challenge may impact user experience and SEO if not managed carefully. The lack of visible business contact details or policies on this page suggests that this is a security gate rather than a full website landing page.
Security Posture Analysis
Comprehensive Security Assessment
The website employs Google reCAPTCHA Enterprise, a strong bot mitigation tool, indicating a proactive security approach to prevent automated abuse. However, the absence of standard security headers and no visible HTTPS enforcement details limit the assessment of overall security hygiene. The missing privacy and cookie policies and lack of incident response contact information represent compliance gaps. The CAPTCHA challenge, while enhancing security, restricts content access and may affect legitimate user experience. No vulnerabilities or exposed sensitive data were detected on this page. Overall, the security posture is moderate but could be improved with better transparency and standard security practices.
Strategic Recommendations
Priority Actions for Security Improvement
Implement and publicly link comprehensive privacy and cookie policies to enhance compliance and user trust.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Generic Detected
Page is a CAPTCHA challenge page requiring user verification, indicating a WAF or bot mitigation mechanism is active.
Analysis results may be incomplete. For accurate analysis, please contact guard@offseq.com
Business Insights
KAYAK
KAYAK is a travel search engine that helps users find flights, hotels, and car rentals by aggregating offers from multiple travel sites.
poor
consistent
Technical Stack
poor
Security Assessment
- Use of Google reCAPTCHA Enterprise for bot mitigation
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website content is blocked behind a CAPTCHA challenge page.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Strict-Transport-Security header
HIGHForces HTTPS connections
Missing X-Frame-Options header
HIGHPrevents clickjacking attacks
Missing X-Content-Type-Options header
MEDIUMPrevents MIME type sniffing
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
Missing X-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended)
Missing Referrer-Policy header
LOWControls referrer information sent with requests
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, digital
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
No DKIM record found
MEDIUMDKIM adds cryptographic signatures to emails
No BIMI Record
LOWBIMI displays brand logos in email clients
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
DMARC Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 40 days
Partial SSL/TLS Assessment
LOWCompleted 2 of 4 security checks due to time constraints
Certificate Details
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 Transfer Lock Not Enabled
MEDIUMDomain can be transferred without authorization
Domain Delete Lock Not Enabled
LOWDomain can be deleted without additional verification
Domain Registration Details
- •No domain protection locks enabled
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 kayak.fr compare?
See how kayak.fr stacks up against similar websites in the same industry.
🔧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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