Is vaillant.at Safe? Security Analysis for Vaillant Group Austria 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 Austria GmbH operates a comprehensive website focused on heating solutions including heat pumps, gas heating, photovoltaic systems, and smart home technologies targeted at private customers in Austria. The company is a well-established player with over 150 years of history and a dense service network, positioning itself as a market leader in the energy sector. The website provides detailed product information, customer testimonials, and service offerings, reflecting a mature business model with strong customer engagement. Technically, the site uses modern JavaScript libraries and marketing tools such as Optimizely and Google Tag Manager, with good mobile optimization and SEO practices. However, the absence of a valid SSL certificate and HTTPS support is a critical security gap that undermines user trust and data protection. Security headers are well implemented, but the lack of TLS protocols and OCSP stapling reduces the overall security posture. Privacy compliance is strong with GDPR-aligned policies and consent mechanisms in place. Overall, the website is professional and trustworthy but requires urgent improvements in SSL/TLS configuration to meet modern security standards.
Detected Technologies
10 urgent findings need attention
4 critical · 6 high
- + 2 more findings in the full report below
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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
3 findings
80/100
GDPR Compliance
7 findings
0/100
NIS2 Compliance
8 findings
5/100
Email Security
1 finding
50/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Vaillant Austria benefits from its affiliation with the global Vaillant Group, leveraging a strong brand and extensive product portfolio in the heating and energy sector. The company targets private homeowners with a focus on sustainable and innovative heating technologies. Its business model combines product sales with comprehensive after-sales service and support, including installation assistance and financing options. The website reflects a strategic emphasis on customer education and engagement through detailed guides, cashback offers, and a broad service network. Partnerships with related brands and subsidiaries enhance market reach. The company’s digital presence is mature, integrating advanced marketing and analytics tools to optimize user experience and conversion. Growth indicators include active promotion of energy-efficient technologies and government subsidy information, positioning Vaillant well in the evolving energy market.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
The current security posture shows a mix of strengths and critical weaknesses. Security headers such as CSP, X-Content-Type-Options, and HSTS are present, indicating awareness of best practices. Cookies are set with HttpOnly and Secure flags. However, the lack of a valid SSL certificate and disabled TLS protocols represent a severe vulnerability, exposing users to potential data interception and undermining trust. No incident response or security policy pages were found, which limits transparency and preparedness. The extensive use of third-party marketing and tracking scripts increases the attack surface and privacy risks, though mitigated by a consent management platform. Immediate remediation of SSL/TLS issues and publication of security policies would significantly enhance the security maturity and compliance posture.
Strategic Recommendations
Priority Actions for Security Improvement
Obtain and deploy a valid SSL/TLS certificate to enable HTTPS across the entire site.
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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)
Weak Referrer-Policy configuration
LOWCurrent value: "no-referrer-when-downgrade"
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
Insufficient contact information
MEDIUMGDPR requires organizations to provide clear contact details
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
No HTTPS encryption
CRITICALGDPR requires appropriate security measures for personal data
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No HTTPS encryption
CRITICALNIS2 requires appropriate technical measures including encryption
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 NIS2 reference found
LOWConsider explicitly mentioning NIS2 compliance efforts
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
Email Security Check Incomplete
MEDIUMSome email security checks timed out
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
No HTTPS Encryption
CRITICALWebsite does not use HTTPS encryption, making all data transmission vulnerable to interception
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
DNS Records
DNSSEC Status
⚡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.at compare?
vaillant.at 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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