Is vaillant.com Safe? Security Analysis for Vaillant Group International 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
Vaillant Group International GmbH operates a comprehensive website showcasing its leadership in heating, cooling, air conditioning, and renewable energy technologies. The company emphasizes its 150-year history and market leadership with a broad product portfolio including heat pumps, boilers, and smart home heating controls. The website is well-structured, professionally designed, and targets consumers and businesses interested in sustainable energy solutions. Technically, the site uses modern JavaScript libraries and consent management tools, ensuring a good user experience and moderate performance. Security posture is adequate with HTTPS and cookie consent mechanisms, but lacks explicit security policies and incident response information. The absence of WHOIS data for the domain reduces domain registration trust signals, though the website content and branding strongly support legitimacy. Overall, the site presents a professional and trustworthy digital presence with room for improvement in security transparency and technical optimizations.
Detected Technologies
8 urgent findings need attention
1 critical · 7 high
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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
1 finding
0/100
GDPR Compliance
4 findings
53/100
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
Vaillant is positioned as a market leader in the energy sector, focusing on sustainable heating and cooling solutions. Its competitive advantages include a long heritage, extensive service network, and a wide product range tailored to various customer needs. The business model combines product manufacturing with service and support, targeting both residential and commercial customers globally. The company maintains a strong partnership ecosystem, linking to corporate and career sites. Growth indicators include emphasis on smart heating and eco-friendly technologies. The website content reflects a mature, enterprise-level organization with consistent branding and high professionalism.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a moderate security maturity level with HTTPS usage and cookie consent management. However, it lacks visible security headers, published security policies, incident response contacts, and vulnerability disclosure mechanisms. No exposed sensitive data or vulnerable libraries were detected. The absence of WHOIS data is a concern but may be due to privacy or registry restrictions rather than malicious intent. Compliance with GDPR is indicated by privacy and cookie policies. Overall, the security posture is adequate but could be enhanced by publishing explicit security documentation and improving header configurations.
Strategic Recommendations
Priority Actions for Security Improvement
Implement and publish a dedicated security policy and incident response page to improve transparency.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Vaillant Group International GmbH
Vaillant provides heating, cooling, air conditioning and renewable energy solutions with a focus on eco-friendly and future-proof technologies.
excellent
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- Use of HTTPS (implied by URLs)
- Consent management for cookies
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
👤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
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
Unable to retrieve SSL certificate
CRITICALCould not establish secure connection to retrieve certificate information
Mixed Content Detected
MEDIUM1 resources loaded over insecure HTTP
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
Domain Delete Lock Not Enabled
LOWDomain can be deleted without additional verification
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 vaillant.com compare?
vaillant.com 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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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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