Is visualbook.pro Safe? Security Analysis for Jiri Chlebus
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Visualbook.pro is a Czech-based small technology company founded in 2019 by Jiří Chlebus, offering an innovative online brand manual creation tool. The platform enables users, including graphic designers, freelancers, and agencies, to create and manage brand manuals efficiently with a one-time payment model and no monthly fees. The website is professionally designed, mobile-optimized, and provides clear navigation and rich content including client testimonials and detailed FAQs. The technical infrastructure leverages modern front-end technologies such as Bootstrap, jQuery, and Kirby CMS, hosted on Cesky Hosting with good SSL configuration. Security posture is adequate with HTTPS and password protection features, but lacks advanced security headers and published security policies. Privacy compliance is partial, with no cookie consent mechanism detected. Overall, the website demonstrates high business credibility and trustworthiness with transparent contact information and consistent branding.
Detected Technologies
11 urgent findings need attention
11 high
- + 3 more findings in the full report below
Keep visualbook.pro 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
4 findings
35/100
NIS2 Compliance
8 findings
17/100
Email Security
5 findings
70/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Visualbook.pro occupies a niche market in online brand manual tools, targeting Czech and English-speaking design professionals and businesses. Its competitive advantage lies in offering a fast, editable, and cost-effective solution with no recurring fees. The business model is based on one-time payments for setup and unlimited usage, supported by a robust technical backend. The company maintains partnerships and showcases client logos, enhancing market credibility. Growth potential exists through expanding language support and adding compliance features. The ecosystem includes integrations with marketing tools like Elfsight and Calendly, supporting client engagement and lead generation.
Security Posture Analysis
Comprehensive Security Assessment
The website maintains a moderate security maturity level with HTTPS enforced and password protection for content. However, it lacks critical security headers such as Content-Security-Policy and X-Frame-Options, which could mitigate common web attacks. No incident response or security policy documents are published, limiting transparency in security governance. No vulnerabilities or exposed sensitive data were detected in the HTML content. GDPR compliance is partial due to absence of cookie consent mechanisms and explicit privacy policy details. The security posture is adequate for a small business but could be improved to meet higher compliance standards and reduce risk exposure.
Strategic Recommendations
Priority Actions for Security Improvement
Enable DNSSEC on the domain to improve DNS security.
✨Observations
Comprehensive website and business-context analysis.
AI-Enhanced Website Analysis
Business Insights
Jiri Chlebus
Visualbook offers an online brand manual creation tool that allows users to create, edit, and manage brand manuals quickly and efficiently without monthly fees.
excellent
consistent
Technical Stack
moderate
excellent
good
good
Security Assessment
- HTTPS enabled
- Password protection for pages
- No exposed sensitive data in HTML
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with rich content and no blocking detected.
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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
No Cookie Policy found
HIGHGDPR requires clear information about cookie usage
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
Third-party services without privacy policy
HIGHDetected services: Twitter, LinkedIn, YouTube, Cloudflare, 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
DMARC not enforcing
MEDIUMDMARC policy is set to "none"
No DMARC reporting
LOWDMARC aggregate reports not configured
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 44 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
DMARC Policy Set to None
LOWDMARC is configured but not enforcing any policy
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
Dark Web Exposure
Add-onLeaked credentials & mentions of visualbook.pro · sourced via BREACH
No public exposure surfaced
BREACH has no records for visualbook.pro in our current corpora. This is good news, but breach data is continuously updated — set up monitoring on BREACH to be notified of new exposures.
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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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