Is sonnleitner.de Safe? Security Analysis for Sonnleitner Holzhausbauwerke GmbH & Co. KG
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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
Sonnleitner Holzhausbauwerke GmbH & Co. KG is a well-established Bavarian company specializing in ecological and healthy wooden house construction. With over 50 years of experience and more than 3,600 projects completed, the company offers custom wooden houses, modular buildings, commercial and multi-family wooden constructions, and interior design services. Their focus on sustainable materials, premium quality, and healthy living environments positions them as a regional leader in the wooden house market. The website is professionally designed, content-rich, and provides clear contact information and social media presence, enhancing business credibility. Technically, the website uses modern web technologies including HTML5, CSS3, JavaScript, and the Contao CMS platform. It features responsive design and good SEO practices. However, some security best practices such as explicit security headers and cookie consent mechanisms are missing or not detected, which could be improved to enhance compliance and security posture. The security posture is moderate with HTTPS implied but no visible security headers or incident response information. No WAF or blocking mechanisms were detected, and no vulnerabilities were apparent from the provided data. Privacy compliance is adequate with a comprehensive privacy policy but lacks a cookie consent mechanism. Business credibility is high due to clear company information, certifications, and customer testimonials. Overall, the website is a strong digital asset for Sonnleitner, supporting their market position and customer engagement. Strategic improvements in security headers, cookie consent, and incident response transparency would further strengthen their security and compliance stance.
Detected Technologies
12 urgent findings need attention
1 critical · 11 high
- + 4 more findings in the full report below
Keep sonnleitner.de 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
5 findings
55/100
GDPR Compliance
5 findings
28/100
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
Sonnleitner operates in the real estate and manufacturing sectors, focusing on ecological wooden house construction. Their business model centers on manufacturing and selling custom wooden houses and related interior design services. The company targets private home buyers, commercial clients, and environmentally conscious consumers. With a history dating back to 1919, Sonnleitner has established itself as a pioneer and trusted brand in Bavaria. Their competitive advantages include patented construction methods, high-quality materials, and comprehensive customer support. The company leverages certifications and awards to build trust and differentiates itself through sustainability and health-focused building practices. The website reflects a mature digital presence with integration of social media and analytics, supporting marketing and customer engagement efforts.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a moderate security maturity level. HTTPS is used, ensuring encrypted communications. However, no explicit security headers such as Content-Security-Policy, X-Frame-Options, or X-Content-Type-Options were detected, which are recommended to mitigate common web vulnerabilities. There is no visible security policy or incident response contact information, which limits transparency and preparedness for security incidents. No vulnerabilities or exposed sensitive data were found in the content. Privacy compliance is partial, with a comprehensive privacy policy but no cookie consent mechanism detected, which may pose GDPR compliance risks. Overall, the security posture is adequate but could be improved by implementing recommended headers, publishing security policies, and adding cookie consent mechanisms.
Strategic Recommendations
Priority Actions for Security Improvement
Implement standard security headers (Content-Security-Policy, X-Frame-Options, 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
Sonnleitner Holzhausbauwerke GmbH & Co. KG
Sonnleitner is a specialist in ecological and healthy wooden house construction based in Bavaria, Germany. They offer custom-made wooden houses including single-family homes, multi-family homes, commercial and object construction, and modular building. The company emphasizes sustainable materials, high-quality craftsmanship, and healthy living environments.
excellent
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS usage (implied by base href https://)
- No visible exposed sensitive data
- No inline sensitive credentials
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is professionally designed and content-rich.
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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
Weak X-Frame-Options configuration
LOWCurrent value: "SAMEORIGIN, SAMEORIGIN"
Weak X-Content-Type-Options configuration
LOWCurrent value: "nosniff, nosniff"
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
Weak Referrer-Policy configuration
LOWCurrent value: "no-referrer-when-downgrade, strict-origin-when-cross-origin"
👤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
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
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
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
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
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
No DMARC Record
MEDIUMDMARC policy not configured
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
High-Risk Service Exposed: FTP
HIGHPort 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer
Service Exposed: SSH
MEDIUMPort 22 (SSH) is publicly accessible - SSH - Secure but can be brute-forced
How does sonnleitner.de compare?
sonnleitner.de 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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PDF Report & Export
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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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