Is gsl.cz Safe? Security Analysis for Glass Service, 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
Glass Service, a.s. is a Czech Republic-based company specializing in advanced glass manufacturing services and products, including simulations, lab services, audits, smart process control systems, and special furnaces. The company targets industrial clients in the glass manufacturing sector and has a strong market presence supported by over 25 years of industry experience and recognized partnerships. Their website reflects a professional and consistent brand image with clear navigation and multilingual support. Technically, the website is built on WordPress with modern plugins such as Yoast SEO, WP Rocket, and WPML for multilingual capabilities. It integrates Google reCAPTCHA for security and WP Statistics for analytics. The site is mobile-optimized with good SEO practices but could improve accessibility and security headers. Performance is moderate, with room for optimization. Security posture is solid with HTTPS enforced and anti-bot measures in place. However, the absence of explicit security policies, incident response information, and vulnerability disclosure mechanisms suggests areas for improvement. The lack of WHOIS data transparency slightly reduces trust but is mitigated by clear business contact information and professional web presence. Overall, the website is trustworthy and well-maintained, serving its business purpose effectively. Strategic improvements in security transparency and WHOIS data availability would enhance credibility and compliance.
Detected Technologies
11 urgent findings need attention
1 critical · 10 high
- + 3 more findings in the full report below
Keep gsl.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
3 findings
48/100
NIS2 Compliance
9 findings
2/100
Email Security
4 findings
75/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Glass Service operates in the manufacturing sector, focusing on glass industry process optimization and equipment supply. Their business model is B2B, serving glass manufacturers worldwide. The company leverages partnerships with specialized firms to enhance its offerings. Revenue streams likely include consulting, software licenses, equipment sales, and maintenance services. The target customers are industrial clients requiring advanced glass melting and forming solutions. The company shows growth indicators through continuous content updates and event participation. Their partnership ecosystem includes reputable engineering and combustion control companies, strengthening their market position.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Company Registration
GLASS SERVICE, a.s.
CZ25849077
25849077
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a moderate to good security maturity level with HTTPS, reCAPTCHA, and cookie consent mechanisms implemented. No critical vulnerabilities or exposed sensitive data were detected. However, the absence of security headers and formal security policies indicates gaps in security best practices. There is no visible incident response or vulnerability disclosure information, which could hinder timely handling of security incidents. Compliance with GDPR is indicated by privacy and cookie policies. Overall, the security posture is adequate but could be enhanced by formalizing security governance and improving technical controls.
Strategic Recommendations
Priority Actions for Security Improvement
Implement comprehensive security headers such as Content-Security-Policy, Strict-Transport-Security, X-Frame-Options, and X-XSS-Protection.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Glass Service, a.s.
Glass Service, a.s. provides advanced services and products related to glass melting, conditioning, and forming processes including simulations, lab services, audits, smart process control, and special furnaces.
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enforced
- Google reCAPTCHA integration
- Cookie consent banner
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with no blocking or WAF challenges.
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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 Cookie Policy found
HIGHGDPR requires clear information about cookie usage
Privacy policy may not be GDPR compliant
MEDIUMPrivacy policy lacks explicit GDPR compliance elements
EU business without adequate privacy measures
CRITICALEU businesses are subject to strict GDPR requirements
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: energy, transport, digital
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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
Certificate Transparency Not Implemented
LOWCertificate is not logged in Certificate Transparency logs
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 30 days
Mixed Content Detected
MEDIUM8 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 gsl.cz compare?
See how gsl.cz stacks up against similar websites in the same industry.
🔧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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