Is sixt.cz Safe? Security Analysis for Sixt
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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
Sixt.cz is a well-established car rental and leasing service provider in the Czech Republic, offering a wide range of mobility solutions including car rentals, operational leasing, used car sales, limousine services, and motorbike rentals. The company targets both individual and corporate clients with a strong presence in major Czech cities such as Prague, Brno, and Ostrava. Sixt positions itself as the largest and best-rated car rental company in the country with a global footprint through its parent company Sixt SE. Technically, the website employs modern web technologies including jQuery, Slick Slider, Google Tag Manager, and analytics tools such as Google Analytics, Hotjar, and Smartlook. The site is mobile optimized, well-structured, and includes cookie consent mechanisms compliant with GDPR. Performance is moderate with good SEO and accessibility practices. From a security perspective, the site enforces HTTPS and uses cookie consent for tracking scripts. However, no explicit security policy or incident response information is published, and WHOIS data for the domain is unavailable, which slightly reduces trustworthiness. No critical vulnerabilities or exposed sensitive data were detected. Overall, Sixt.cz presents a professional, trustworthy, and comprehensive digital presence for its business. Strategic recommendations include publishing a security policy, improving security headers, and adding vulnerability disclosure information to enhance transparency and trust.
Detected Technologies
12 urgent findings need attention
1 critical · 11 high
- + 4 more findings in the full report below
Keep sixt.cz 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
8 findings
15/100
GDPR Compliance
3 findings
40/100
NIS2 Compliance
8 findings
17/100
Email Security
4 findings
70/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Sixt.cz operates in the transportation sector focusing on car rental and leasing services. It leverages its long-standing brand reputation and international backing from Sixt SE to maintain a strong market position in the Czech Republic. The business model includes direct consumer rentals, corporate leasing, and vehicle sales, supported by a network of physical branches and digital platforms. Revenue streams are diversified across short-term rentals, long-term leasing, and value-added services like limousine transfers. The company targets a broad customer base from individual travelers to corporate fleets. Partnerships with Sixtleasing.cz and integration with global Sixt platforms enhance service offerings and market reach. Growth indicators include extensive service variety, digital maturity, and strong brand recognition. The company maintains a robust marketing ecosystem with advanced analytics and retargeting capabilities.
Security Posture Analysis
Comprehensive Security Assessment
The security posture of Sixt.cz is solid with mandatory HTTPS enforced and cookie consent mechanisms in place to comply with privacy regulations. The site uses reputable analytics and tracking services with user consent. However, the absence of published security policies, incident response contacts, and vulnerability disclosure reduces transparency and preparedness perception. No visible security headers were confirmed in the HTML, which could be improved to mitigate common web threats. The WHOIS data is missing, which is a concern for domain legitimacy verification. Overall, the site demonstrates good baseline security practices but would benefit from enhanced security documentation and header implementation to improve trust and resilience.
Strategic Recommendations
Priority Actions for Security Improvement
Publish a comprehensive security policy and incident response contact information on the website.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Sixt
Sixt offers car rental, leasing, used car sales, limousine services, and motorbike rentals in the Czech Republic with branches in Prague, Brno, and Ostrava. They provide flexible mobility solutions for individuals and corporate clients including operational leasing and fleet management.
excellent
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enforced
- Cookie consent mechanism implemented
- No exposed sensitive data in HTML
- Use of analytics scripts with consent
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is professionally designed with comprehensive service offerings.
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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
Sensitive data may be cached
LOWCache-Control header should include "no-store" for sensitive pages
👤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
EU business without adequate privacy measures
CRITICALEU businesses are subject to strict GDPR requirements
Third-party services without privacy policy
HIGHDetected services: Google Analytics, Facebook, LinkedIn, YouTube
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
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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
🏆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
OCSP Stapling Not Enabled
LOWOCSP stapling improves performance and privacy
Certificate Transparency Not Implemented
LOWCertificate is not logged in Certificate Transparency logs
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 61 days
HSTS Not Enabled
MEDIUMHTTP Strict Transport Security (HSTS) is not configured
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
No DMARC Record
MEDIUMDMARC policy not configured
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
High-Risk Service Exposed: FTP
HIGHPort 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer
How does sixt.cz compare?
sixt.cz scores below average. Browse similar domains to see how competitors handle security.
🔧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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