Is sejf.cz Safe? Security Analysis for SEJF
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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
SEJF operates a modern mobile application platform focused on cashless payments for public transport tickets, parking, and entry tickets primarily in the Czech Republic. The company positions itself as a leading provider in this niche, offering a wide variety of payment options and a user-friendly experience. The website reflects a mature digital presence with professional design, clear content, and strong branding consistency. Technically, the site leverages modern frameworks such as Next.js and React, integrates with Cookiebot for privacy compliance, and uses Google Analytics and Tag Manager for analytics. Security posture is good with HTTPS enforced and cookie consent mechanisms in place, though explicit security headers could be improved. The absence of WHOIS data is typical for CZ NIC domains and does not detract from the site's legitimacy given the professional presentation and compliance with GDPR. Overall, SEJF demonstrates a solid business and technical foundation with room for enhanced security transparency and incident response readiness.
Detected Technologies
9 urgent findings need attention
9 high
- + 1 more findings in the full report below
Keep sejf.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
1 finding
95/100
NIS2 Compliance
9 findings
2/100
Email Security
1 finding
95/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
SEJF targets users of public transport and parking services in the Czech Republic, offering a convenient mobile payment solution that integrates ticket purchasing and parking payments. The business model is based on providing a digital platform that simplifies payments and enhances user convenience. Partnerships with major mobile operators and banks (e.g., ČSOB) strengthen its market position. The company maintains a medium-sized operation with a focus on transportation sector digital services. The website's content and testimonials indicate a positive user reception and trust. The presence of official app store links and GDPR-compliant policies further support credibility. Strategic partnerships with local transport and parking authorities are evident from partner logos displayed. SEJF's growth potential lies in expanding payment options and enhancing user engagement through notifications and app features.
Security Posture Analysis
Comprehensive Security Assessment
The website enforces HTTPS and uses Cookiebot for cookie consent management, indicating a commitment to privacy and security compliance. However, explicit security headers such as X-Frame-Options, X-Content-Type-Options, and Referrer-Policy are not clearly present in the HTML, suggesting an area for improvement. No exposed sensitive data or vulnerable libraries were detected in the source. The payment process is secured via a reputable bank's payment gateway (ČSOB). There is no publicly available incident response or vulnerability disclosure information, which could be enhanced to improve transparency and trust. Overall, the security posture is solid but could benefit from additional security headers and published incident response contacts.
Strategic Recommendations
Priority Actions for Security Improvement
Implement and verify standard security headers (X-Frame-Options, X-Content-Type-Options, Referrer-Policy) to enhance protection against common web attacks.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
SEJF
The SEJF mobile app is a modern, safe and reliable tool for cashless payments anytime and anywhere. Only with the SEJF app can you pay for parking tickets, purchase public transport tickets or entry tickets.
excellent
consistent
Technical Stack
moderate
excellent
good
good
Security Assessment
- HTTPS enforced
- Cookie consent mechanism implemented
- No exposed sensitive data in HTML
- Secure payment gateway usage (ČSOB bank mentioned)
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with no blocking or WAF challenges.
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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 Data Protection Officer mentioned
LOWLarge organizations may need to designate a DPO under GDPR
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: energy, transport, banking, digital
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
No DMARC reporting
LOWDMARC aggregate reports not configured
SPF Details
DKIM Selectors Found
DMARC Details
MTA-STS 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 71 days
Partial SSL/TLS Assessment
LOWCompleted 3 of 4 security checks due to time constraints
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
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 sejf.cz 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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