Is thhk.cz Safe? Security Analysis for Tepelné hospodářství Hradec Králové, a.s.
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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
Tepelné hospodářství Hradec Králové, a.s. is a municipal energy company providing heating and hot water services primarily in the Hradec Králové region. The company is fully owned by the city and positions itself as a responsible distributor focused on price comfort and reliable supply. The website reflects a medium-sized enterprise with a clear business model centered on energy supply and community support. Technically, the site is built on ASP.NET Web Forms with Telerik UI components, indicating a somewhat dated but stable infrastructure. The site is accessible, mobile-optimized, and contains comprehensive business and legal information, including GDPR and ISMS policies. Security posture is moderate with HTTPS usage but lacks advanced security headers and modern vulnerability mitigations. No WHOIS data was retrievable, which limits domain legitimacy verification, but the website content and business information appear consistent and trustworthy. Overall, the site scores well on content quality and business credibility but could improve technical and security aspects.
Detected Technologies
15 urgent findings need attention
2 critical · 13 high
- + 7 more findings in the full report below
Keep thhk.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
8 findings
15/100
GDPR Compliance
4 findings
25/100
NIS2 Compliance
9 findings
2/100
Email Security
4 findings
70/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The company holds a strong market position as the primary heating and hot water supplier in Hradec Králové, fully owned by the city, which provides stability and public trust. Its business model is focused on municipal utility services with a commitment to social responsibility and community engagement. The company holds a minority stake in Magnalink, a related energy company, indicating strategic partnerships. The website content and linked domains reinforce a network of local and regional partners. Revenue streams likely derive from service contracts with residential and commercial customers. The company demonstrates growth and modernization efforts, such as infrastructure upgrades. The partnership ecosystem includes city initiatives and energy sector collaborators, supporting its market presence and operational effectiveness.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Company Registration
Tepelné hospodářství Hradec Králové, a.s.
CZ25282174
25282174
Security Posture Analysis
Comprehensive Security Assessment
The website employs HTTPS, securing data in transit, and uses ASP.NET security features like viewstate and event validation to protect form submissions. However, it lacks critical security headers such as Content Security Policy, HSTS, and X-Frame-Options, which are important for mitigating common web attacks. No known vulnerabilities or exposed sensitive data were detected in the HTML content. The absence of incident response contact information and vulnerability disclosure policies suggests room for improvement in security transparency and readiness. GDPR compliance and ISMS policy presence indicate a baseline security governance framework. Overall, the security posture is moderate but would benefit from enhanced technical controls and documented incident response procedures.
Strategic Recommendations
Priority Actions for Security Improvement
Implement and enforce security headers including CSP, HSTS, X-Frame-Options, and X-XSS-Protection to improve defense against web attacks.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Tepelné hospodářství Hradec Králové, a.s.
Společnost Tepelné hospodářství Hradec Králové, a.s., je nejvýznamnějším dodavatelem tepla a teplé vody ve spádovém území města Hradec Králové, zaměřená na komfort ceny a spolehlivost dodávek, vlastněná 100% Statutárním městem Hradec Králové.
good
consistent
Technical Stack
moderate
good
basic
basic
Security Assessment
- Use of HTTPS (implied by URL)
- No exposed sensitive data in HTML
- Secure form with ASP.NET viewstate and event validation
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with rich content in Czech language.
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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 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 DKIM record found
MEDIUMDKIM adds cryptographic signatures to emails
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
🏆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
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 34 days
Mixed Content Detected
MEDIUM1 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
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
High-Risk Service Exposed: FTP
HIGHPort 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer
Critical Service Exposed: RDP
CRITICALPort 3389 (RDP) is publicly accessible - RDP - Remote Desktop, prime ransomware target
How does thhk.cz compare?
thhk.cz scores below average. Browse similar domains to see how competitors handle security.
🔧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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