Is zgrebski.de Safe? Security Analysis for Zgrebski GmbH
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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
Zgrebski GmbH is a small German company specializing in heating, bathroom design, ventilation, and water technology services, primarily serving the Schillingen region. The website reflects a local service provider with a clear focus on home and building technology solutions. The company positions itself as a competent and reliable partner for all aspects of home technology installations and renovations. The website content is relevant and professionally presented, targeting homeowners and businesses in need of these services. Technically, the website is built on the Multiscreensite CMS platform, utilizing modern web technologies such as service workers for offline support and Cookiebot for GDPR-compliant cookie management. The site is hosted on rzone.de servers and employs HTTPS with a good SSL configuration. Performance and mobile optimization are adequate, providing a good user experience across devices. SEO and accessibility features are present but could be enhanced further. From a security perspective, the site enforces HTTPS and includes cookie consent mechanisms, but lacks advanced security headers and a published security policy. No critical vulnerabilities or exposed sensitive data were detected. The WHOIS data is limited but consistent with the hosting provider, with no suspicious patterns identified. Privacy compliance is well addressed through detailed cookie policies and consent management. Overall, the website demonstrates a solid digital presence for a small local business with good privacy practices and a moderate security posture. Strategic improvements in security headers, incident response transparency, and contact information disclosure would enhance trust and compliance further.
Detected Technologies
6 urgent findings need attention
6 high
Keep zgrebski.de under constant watch
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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
4 findings
70/100
GDPR Compliance
2 findings
83/100
NIS2 Compliance
9 findings
2/100
Email Security
5 findings
65/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Zgrebski GmbH operates in the energy sector, focusing on heating and sanitary installations. The business model is service-oriented, targeting local residential and commercial customers. The company leverages a straightforward website to showcase its services and build trust. The presence of Google site verification and structured data indicates attention to SEO and digital marketing. The use of Cookiebot and Usercentrics reflects compliance with European data protection regulations. No partnerships or subsidiaries are evident from the website. The company appears to maintain a consistent brand image and targets a niche market within Germany, likely relying on local reputation and direct customer engagement.
Security Posture Analysis
Comprehensive Security Assessment
The website's security posture is moderate. HTTPS is enforced, and cookie consent is properly managed, indicating awareness of privacy regulations. However, the absence of key security headers such as Content-Security-Policy and X-Frame-Options reduces protection against common web attacks. No incident response or security policy information is published, which limits transparency and preparedness. Third-party scripts are used but appear limited to consent management and fonts, minimizing attack surface. No vulnerabilities or exposed sensitive data were found in the analyzed content. Overall, the site meets basic security standards but would benefit from enhanced security controls and documented policies.
Strategic Recommendations
Priority Actions for Security Improvement
Implement security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to strengthen defense against web attacks.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Zgrebski GmbH
Ihr kompetenter Ansprechpartner für alles rund um die Haustechnik: Zgrebski GmbH in Schillingen. Bad, Heizung, Lüftung, Wasser und mehr.
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enforced
- Service worker registered
- Cookie consent banner implemented
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 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 Data Protection Officer mentioned
LOWLarge organizations may need to designate a DPO under GDPR
Privacy policy may not be GDPR compliant
MEDIUMPrivacy policy lacks explicit GDPR compliance elements
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
No DMARC reporting
LOWDMARC aggregate reports not configured
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
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
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 62 days
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
Domain Transfer Lock Not Enabled
MEDIUMDomain can be transferred without authorization
Domain Delete Lock Not Enabled
LOWDomain can be deleted without additional verification
Domain Registration Details
- •No domain protection locks enabled
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 zgrebski.de 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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