Is sunmill.cz Safe? Security Analysis for Sunmill | Fotovoltaické elektrárny
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Sunmill s.r.o. is a Czech-based company specializing in turnkey photovoltaic and heat pump solutions for residential buildings, companies, and households. Established in 2022, the company has completed over 1300 installations and offers comprehensive services including design, installation, financing, and maintenance. Their market position is that of a medium-sized local energy solutions provider focused on renewable energy technologies. The website is built on WordPress using the Kadence theme and blocks, featuring modern design elements, embedded video content, and structured data for SEO and business information. Security posture is adequate with HTTPS and no visible vulnerabilities, but lacks explicit security headers and privacy policies. Marketing automation is implemented via Leady tracking scripts. Overall, the website is professional and trustworthy, though improvements in privacy compliance and security policy transparency are recommended.
Detected Technologies
12 urgent findings need attention
1 critical · 11 high
- + 4 more findings in the full report below
Keep sunmill.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
2 findings
85/100
GDPR Compliance
5 findings
10/100
NIS2 Compliance
8 findings
17/100
Email Security
3 findings
85/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Sunmill operates in the renewable energy sector, targeting residential and commercial clients in the Czech Republic. Their competitive advantage lies in offering turnkey solutions with financing options and government subsidies, including partnerships with subsidy programs like OP TAK. The business model focuses on direct sales and installation services, supported by marketing automation tools. Growth indicators include a significant number of installations and a clear service portfolio. The partnership with optak.cz suggests a strategic alliance for financing. The company maintains a consistent brand presence and provides clear contact channels, enhancing customer trust and engagement.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a moderate security maturity level with HTTPS enforced and no exposed sensitive data. However, it lacks explicit security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options, which are recommended to mitigate common web vulnerabilities. There is no visible security policy or incident response information, which could impact user trust and compliance with best practices. The use of third-party marketing scripts introduces a moderate tracking footprint. No vulnerabilities or malware indicators were detected in the HTML content. To improve security posture, the company should implement comprehensive security headers, publish security policies, and establish incident response contacts.
Strategic Recommendations
Priority Actions for Security Improvement
Implement and publish a comprehensive privacy policy and cookie consent mechanism to improve GDPR compliance.
✨Observations
Comprehensive website and business-context analysis.
AI-Enhanced Website Analysis
Business Insights
Sunmill | Fotovoltaické elektrárny
Nabízíme: Fotovoltaika na klíč pro bytové domy, firmy a domácnosti – od návrhu po instalaci. Energetická nezávislost s kvalitním solárním řešením.
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enforced
- No exposed sensitive data in HTML
- Use of async scripts to improve load
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is professionally designed and focused on photovoltaic energy solutions.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing X-XSS-Protection header
Legacy XSS protection (deprecated but still recommended)
Sensitive data may be cached
Cache-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
GDPR requires a clear and accessible privacy policy
No Cookie Policy found
GDPR requires clear information about cookie usage
No Cookie Consent Banner found
GDPR requires explicit consent for non-essential cookies
EU business without adequate privacy measures
EU businesses are subject to strict GDPR requirements
Third-party services without privacy policy
Detected services: YouTube
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No information security framework found
NIS2 requires documented cybersecurity and information security measures
No vulnerability disclosure policy
NIS2 encourages coordinated vulnerability disclosure
No security policy documentation found
NIS2 requires documented cybersecurity governance and risk management
No incident response procedures found
NIS2 requires documented incident response and business continuity plans
No business continuity planning found
NIS2 emphasizes operational resilience and business continuity
No security contact information
NIS2 requires clear incident reporting channels
No vulnerability reporting mechanism
Clear vulnerability reporting supports coordinated disclosure
No NIS2 reference found
Consider 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 BIMI Record
BIMI displays brand logos in email clients
No MTA-STS Policy
MTA-STS enforces TLS for email delivery
No TLS-RPT Record
TLS-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
Weak Protocols Supported
Server supports weak protocols: TLSv1.1
OCSP Stapling Not Enabled
OCSP stapling improves performance and privacy
Certificate Transparency Not Implemented
Certificate is not logged in Certificate Transparency logs
SSL Certificate Expires Within 90 Days
SSL certificate expires in 37 days
Protocol Support
OCSP Status
📊DNS Health
DNS configuration and security assessment.
DNS Health
DNS configuration and security assessment
DNSSEC Not Enabled
DNSSEC is not configured for this domain
CAA Records Not Configured
Certificate Authority Authorization (CAA) records not found
Weak SPF Policy
SPF record has permissive policy allowing any server to send email
No DMARC Record
DMARC 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
Port 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer
How does sunmill.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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