Is chmi.cz Safe? Security Analysis for Český hydrometeorologický ústav
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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
The Český hydrometeorologický ústav (ČHMÚ) is the Czech Republic's national meteorological and environmental authority, providing comprehensive weather forecasts, hydrological data, and air quality monitoring. The website serves a broad audience including the general public, government bodies, media, and business partners, offering detailed environmental data, news, and specialized services such as mobile applications. The organization holds ISO 9001 certification, reinforcing its credibility and commitment to quality. Technically, the website employs traditional web technologies including jQuery and JavaScript, with a moderate performance profile and basic mobile optimization. The site implements a robust cookie consent mechanism aligned with GDPR requirements, denying marketing and analytics cookies by default. While HTTPS is used, explicit security headers are not detected in the provided data, suggesting room for improvement in security hardening. Security posture is solid with no visible vulnerabilities or exposed sensitive data, but the absence of detailed incident response contacts and security headers indicates potential gaps. Privacy compliance is strong, supported by comprehensive privacy and cookie policies. The domain WHOIS data is unavailable due to CZ.NIC policies, but the domain usage and content strongly indicate legitimacy as a government entity. Overall, the website is professional, trustworthy, and content-rich, with recommendations to enhance security headers, mobile responsiveness, and incident response transparency to further strengthen its security and user trust.
Detected Technologies
10 urgent findings need attention
1 critical · 9 high
- + 2 more findings in the full report below
Keep chmi.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
3 findings
40/100
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
ČHMÚ occupies a critical position as the Czech Republic's official meteorological and environmental institute, operating under government mandate. Its business model centers on public service delivery, providing authoritative environmental data and forecasts. The institute leverages partnerships with international organizations such as WMO, EEA, and EUMETSAT, enhancing its data quality and reach. Revenue streams are likely government-funded, with additional services offered to media, local authorities, and commercial partners. The website's extensive content and multiple communication channels reflect a mature digital presence, supporting transparency and stakeholder engagement. Strategic growth may focus on expanding digital services and mobile applications to increase accessibility and user engagement.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a moderate to strong security posture with HTTPS enforced and a comprehensive cookie consent mechanism that defaults to denying marketing and analytics cookies, aligning with GDPR. No exposed sensitive data or vulnerable libraries were detected in the HTML content. However, the absence of explicit security headers such as Content Security Policy (CSP), X-Frame-Options, or HSTS suggests potential areas for enhancement. Incident response information is not publicly available, which could hinder rapid mitigation of security incidents. Overall, the security culture appears mature but would benefit from formalizing incident response contacts and implementing additional HTTP security headers to mitigate common web threats.
Strategic Recommendations
Priority Actions for Security Improvement
Implement HTTP security headers including CSP, HSTS, X-Frame-Options, and X-Content-Type-Options to enhance protection against common web attacks.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Český hydrometeorologický ústav
Český hydrometeorologický ústav provides meteorological, hydrological, and air quality forecasts and data for the Czech Republic. It serves as a national authority for weather, climate, and environmental monitoring.
excellent
consistent
Technical Stack
moderate
basic
good
good
Security Assessment
- Cookie consent with default denied for marketing and analytics
- Use of HTTPS (implied by domain and scripts loaded via https)
- No exposed sensitive data in HTML
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a government portal for the Czech Hydrometeorological Institute.
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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-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
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, LinkedIn, YouTube
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
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
MEDIUM21 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
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 chmi.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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