Is denik.cz Safe? Security Analysis for Deník.cz
https://denik.czCheck if denik.cz is a scam or legitimate. Free security scan and reviews.
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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
Deník.cz is a prominent Czech news portal providing comprehensive regional, national, and international news coverage. It serves a broad audience in the Czech Republic with content spanning politics, culture, sports, and everyday life. The website is part of the Vltava Labe Media group, a significant player in the Czech media landscape. The site demonstrates a mature digital presence with structured data, social media integration, and a professional design tailored for desktop and mobile users. Technically, Deník.cz employs modern web technologies including Google Tag Manager, Gemius analytics, and content delivery via Cloudfront, ensuring moderate performance and good SEO practices. Security-wise, the site enforces HTTPS and includes standard security headers, though it lacks a publicly visible security policy or vulnerability disclosure program. Privacy compliance is well addressed with clear privacy and cookie policies and consent mechanisms, aligning with GDPR requirements. Overall, Deník.cz presents a trustworthy and professional media outlet with a strong market position in Czech regional news.
Detected Technologies
11 urgent findings need attention
1 critical · 10 high
- + 3 more findings in the full report below
Keep denik.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
7 findings
30/100
GDPR Compliance
4 findings
25/100
NIS2 Compliance
8 findings
17/100
Email Security
4 findings
75/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Deník.cz operates within the media sector, focusing on regional news dissemination in the Czech Republic. Its business model revolves around digital advertising and content publishing, targeting general public consumers interested in local and national news. The site benefits from the backing of Vltava Labe Media, enhancing its market reach and credibility. The presence of multiple analytics and advertising technologies indicates a data-driven approach to audience engagement and monetization. The company maintains active social media channels, reinforcing its brand and audience interaction. While the WHOIS data is unavailable, the brand's established reputation and consistent online presence mitigate concerns about legitimacy. The site’s content quality and professional design support its competitive advantage in the Czech media market.
Security Posture Analysis
Comprehensive Security Assessment
Deník.cz exhibits a solid security posture with mandatory HTTPS enforcement and implementation of key security headers such as HSTS, X-Content-Type-Options, and Content-Security-Policy. No exposed sensitive data or vulnerable libraries were detected in the analysis. However, the absence of a public security policy, incident response contacts, or vulnerability disclosure mechanisms suggests room for improvement in transparency and proactive security communication. The site’s privacy compliance is robust, with GDPR-aligned policies and consent management. Overall, the security maturity is good for a media website, but enhancing incident response readiness and publishing security documentation would strengthen trust and resilience.
Strategic Recommendations
Priority Actions for Security Improvement
Publish a dedicated security policy page outlining security practices and commitments.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Deník.cz
Novinky a zprávy z regionů Čech i ze světa. Nejdůležitější informace a události z jednotlivých obcí, dění v politice, kultuře, sportu i v běžném životě.
excellent
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enforced
- Use of security headers
- No exposed sensitive data detected
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a professional news portal focused on Czech regional and national news.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
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
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
Third-party services without privacy policy
HIGHDetected services: Google Analytics, Facebook, Twitter, Google Ads
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
DMARC not enforcing
MEDIUMDMARC policy is set to "none"
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
DKIM Selectors Found
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 59 days
Weak SSL Key Length
HIGHSSL certificate uses 256-bit key, which is considered weak
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
DMARC Policy Set to None
LOWDMARC is configured but not enforcing any policy
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 denik.cz compare?
See how denik.cz 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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PDF Report & Export
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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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