Is tzus.cz Safe? Security Analysis for Technický a zkušební ústav stavební Praha, s.p.
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Below Government avg (70)
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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
Technický a zkušební ústav stavební Praha, s.p. (TZÚS Praha) is the largest testing and certification organization in the Czech Republic specializing in conformity assessment of construction products. The organization provides a broad range of services including product certification, management system certification, testing, building certification, inspection, metrology, and technical consultancy. The website targets construction industry professionals, manufacturers, importers, and investors, positioning itself as a leading national authority in its sector. The website infrastructure utilizes Bootstrap 3.3.7, jQuery 1.11.3, and Google reCAPTCHA v2 for form security. The site is mobile optimized with a clear navigation structure and cookie consent mechanisms that comply with GDPR requirements. However, some technologies are dated, and security headers are not evident, suggesting room for technical modernization and enhanced security hardening. Security posture is strong with HTTPS enforced, CSRF protection, and reCAPTCHA integration, but lacks published security policies and incident response contacts. The absence of WHOIS data reduces domain trustworthiness, though the professional presentation and content quality support legitimacy. No vulnerabilities or exposed sensitive data were detected. Overall, the website is professional, secure, and compliant with privacy regulations, but improvements in transparency (privacy policy, security policy) and technical updates are recommended to enhance trust and security maturity.
Detected Technologies
10 urgent findings need attention
1 critical · 9 high
- + 2 more findings in the full report below
Keep tzus.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
40/100
GDPR Compliance
4 findings
25/100
NIS2 Compliance
9 findings
2/100
Email Security
3 findings
85/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
TZÚS Praha operates as a government-affiliated entity providing essential testing and certification services within the construction sector. Its market position as the largest organization in its field in the Czech Republic gives it a competitive advantage and authoritative status. The business model is service-oriented, focusing on compliance, quality assurance, and technical consultancy. Revenue streams likely derive from certification fees, testing services, and consultancy contracts. The target customers include manufacturers, importers, investors, and construction professionals. The website's multilingual support indicates an intent to serve both domestic and international clients. Partnerships with web development firms are evident, but no direct commercial partnerships or subsidiaries were identified. The organization's archival by the National Library of the Czech Republic underscores its established presence and importance.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a mature security posture with HTTPS enforced, CSRF tokens on forms, and Google reCAPTCHA protecting user inputs. Cookie consent is granular and GDPR compliant, reflecting good privacy practices. However, the absence of explicit security policies, incident response contacts, and security headers such as Content-Security-Policy or X-Frame-Options indicates areas for improvement. The use of older JavaScript libraries like jQuery 1.11.3 may expose the site to known vulnerabilities if not regularly patched. No signs of exposed sensitive data or vulnerabilities were found. Overall, the security posture is good but could be enhanced by publishing security documentation and updating technical components.
Strategic Recommendations
Priority Actions for Security Improvement
Publish a comprehensive privacy policy and security policy on the website to improve transparency and compliance.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Technický a zkušební ústav stavební Praha, s.p.
TZÚS Praha, s.p. is the largest testing and certification organization in the Czech Republic in the field of conformity assessment of construction products.
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enforced
- CSRF token in forms
- Google reCAPTCHA on newsletter form
- Cookie consent with granular control
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with no blocking or WAF detected.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Weak Strict-Transport-Security configuration
LOWCurrent value: "max-age=15724800; includeSubDomains"
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 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
Critical sector without clear security compliance
HIGHDetected sectors: transport, digital
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
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
🏆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 55 days
Mixed Content Detected
MEDIUM2 resources loaded over insecure HTTP
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
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
Good Network Security Posture
LOWNo unnecessary services detected on common risky ports
How does tzus.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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