Is denik-knihy.cz Safe? Security Analysis for PhDr. Vladimír Sůva
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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 KNIHY is a Czech media platform focused on providing daily updated information about newly published books, authors, and literary events. It serves as a comprehensive resource for readers, publishers, distributors, and booksellers, offering a catalog of books with direct purchase options and editorial content including interviews and videos. The website is positioned as a key player in the Czech literary market, supporting both domestic and international authors with promotional services. Technically, the site is built on WordPress with common plugins for galleries and polls, integrates Google Analytics and Facebook SDK for tracking, and is hosted under a Czech registrar with appropriate domain age and consistency. The site is mobile-optimized and offers a good user experience with clear navigation and relevant content. However, it lacks formal privacy and cookie policies, which impacts its compliance posture. Security practices are basic with HTTPS enabled but missing security headers and vulnerability disclosure mechanisms. Overall, the site is trustworthy and professional but could improve in privacy compliance and security hardening.
Detected Technologies
14 urgent findings need attention
1 critical · 13 high
- + 6 more findings in the full report below
Keep denik-knihy.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
20/100
GDPR Compliance
5 findings
10/100
NIS2 Compliance
8 findings
17/100
Email Security
2 findings
65/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The business operates in the media sector, specifically literary and book information services. It leverages a content-driven model with advertising and promotional opportunities for publishers and distributors. The target audience includes book readers, authors, and industry professionals. The platform's competitive advantage lies in its daily updated catalog and integration of multimedia content. Revenue streams likely include advertising, sponsored content, and possibly affiliate sales through direct book purchase links. The company is small-sized, founded in 2017, and maintains a consistent brand presence. Partnerships with major Czech book retailers and publishers are evident through linked domains and advertising banners. The business ecosystem is focused on Czech literary culture with potential for growth in digital content and e-commerce integration.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Company Registration
PhDr. Vladimír Sůva
CZ480111030
40664091
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a moderate security posture with HTTPS enabled and no visible exposure of sensitive data. However, it lacks important security headers such as Content-Security-Policy and X-Frame-Options, which could mitigate common web attacks. There is no evidence of a published security policy or incident response contacts, which limits transparency and readiness for security incidents. The use of third-party scripts like Google Analytics and Facebook SDK introduces tracking but no apparent vulnerabilities. The absence of a security.txt file or vulnerability disclosure process is a gap. Overall, the site is secure enough for general informational use but should enhance security controls and compliance documentation to reduce risk and improve trust.
Strategic Recommendations
Priority Actions for Security Improvement
Publish comprehensive privacy and cookie policies with GDPR compliance and user consent mechanisms.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
PhDr. Vladimír Sůva
Deník KNIHY přináší denně aktualizovanou databázi právě vydaných knih s kompletní anotací a možností přímého prodeje u velkodistributora. Nabízí databázi českých i zahraničních spisovatelů, videa, rozhovory a seznamy knih. Web také nabízí rubriky jako Autoři, Edice, Distribuce, Hledání knih a magazín.
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enabled
- No exposed sensitive data in HTML
- Use of async loading for analytics scripts
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a Czech language literary and book information portal.
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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
Third-party services without privacy policy
HIGHDetected services: Google Analytics, Facebook, YouTube, Google APIs
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 DMARC record found
HIGHDMARC provides email authentication and reporting
No DKIM record found
MEDIUMDKIM adds cryptographic signatures to emails
SPF Details
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
Mixed Content Detected
MEDIUM7 resources loaded over insecure HTTP
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
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-knihy.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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