Is kostal-solar-electric.com Safe? Security Analysis for KOSTAL Solar Electric 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
KOSTAL Solar Electric GmbH is a medium-sized German company specializing in the manufacture and sale of photovoltaic inverters, battery storage solutions, and wallbox charging stations. The company positions itself as a leading innovator in the solar energy sector with a strong emphasis on German engineering quality and sustainability. Their product portfolio targets private homeowners, commercial enterprises, and professional installers, offering integrated energy management systems and smart charging solutions. The website reflects a mature digital presence built on TYPO3 CMS with modern front-end technologies and a comprehensive multi-language structure. Security posture is solid with HTTPS and consent management in place, though some improvements in security headers and incident response transparency are recommended. The absence of WHOIS registration data for the domain is a notable inconsistency that slightly impacts trustworthiness from a domain registration perspective. Overall, the site is professional, content-rich, and well-structured, supporting KOSTAL's market position as a reputable energy technology provider.
Detected Technologies
10 urgent findings need attention
10 high
- + 2 more findings in the full report below
Keep kostal-solar-electric.com 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
2 findings
80/100
GDPR Compliance
3 findings
65/100
NIS2 Compliance
8 findings
10/100
Email Security
4 findings
70/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
KOSTAL Solar Electric operates within the energy and transportation sectors, leveraging its parent company KOSTAL Gruppe's extensive industrial footprint. The company benefits from multiple design and innovation awards, reinforcing its competitive advantage in quality and product innovation. Its business model focuses on manufacturing and selling high-quality solar inverters and related products, supported by installer portals and customer service. The website's multi-language support and detailed product information indicate a strategy targeting European markets. Partnerships and sister companies within the KOSTAL group expand its ecosystem, enhancing market reach and technological synergies. The company’s emphasis on sustainability and smart energy solutions aligns with current market trends and regulatory frameworks, positioning it well for growth.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a good security posture with enforced HTTPS and integration of a GDPR-compliant consent management platform (Usercentrics). No sensitive data is exposed in the HTML content, and no vulnerable libraries were detected. However, the absence of explicit HTTP security headers such as Content Security Policy, HSTS, and X-Frame-Options suggests room for improvement. There is no visible security.txt or vulnerability disclosure policy, and no dedicated incident response contact information is provided, which could hinder timely reporting and handling of security incidents. Overall, the security maturity is moderate to good, suitable for a commercial website but with potential enhancements to align with best practices.
Strategic Recommendations
Priority Actions for Security Improvement
Implement comprehensive HTTP security headers including CSP, HSTS, X-Frame-Options, and 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
KOSTAL Solar Electric GmbH
KOSTAL is a leading German manufacturer of innovative solar, hybrid, and battery inverters for private and commercial photovoltaic systems, offering efficient and sustainable energy solutions made in Germany.
excellent
consistent
Technical Stack
moderate
good
good
good
Security Assessment
- HTTPS enforced
- Use of consent management platform for GDPR compliance
- No exposed sensitive data in HTML
- No visible vulnerable libraries
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with rich content and navigation
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
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
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
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 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
SSL Certificate Expires Soon
HIGHSSL certificate expires in 10 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 Delete Lock Not Enabled
LOWDomain can be deleted without additional verification
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
Good Network Security Posture
LOWNo unnecessary services detected on common risky ports
How does kostal-solar-electric.com 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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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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