Is winterheller.com Safe? Security Analysis for WINTERHELLER management 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
WINTERHELLER management GmbH is a well-established Austrian company specializing in leadership coaching, seminars, online courses, and related products such as books and podcasts. The company is led by Manfred Winterheller, an internationally recognized speaker and bestselling author with a strong reputation in the leadership and personal development market. The business model combines live events, digital education, and product sales targeting executives and professionals seeking to enhance their leadership skills. Technically, the website is built on a modern stack including Bootstrap, JavaScript libraries like Flickity, and uses WordPress as the CMS. It leverages third-party services for fonts and newsletter management (Mailjet). The site is mobile-optimized, well-structured, and provides a professional user experience with clear navigation and rich content. From a security perspective, the site uses HTTPS with good SSL configuration but lacks DNSSEC and explicit security headers. There is no visible cookie consent mechanism, and no detailed security or incident response policies are published. The contact form is secured with required fields, and no sensitive data is exposed in the HTML. The WHOIS data confirms a long-standing domain registration consistent with the business history, enhancing trustworthiness. Overall, the website presents a low-risk profile with strong business credibility and good technical implementation. Recommendations include enabling DNSSEC, adding cookie consent for GDPR compliance, implementing security headers, and publishing security policies to further strengthen the security posture and compliance.
Detected Technologies
12 urgent findings need attention
1 critical · 11 high
- + 4 more findings in the full report below
Keep winterheller.com 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
8 findings
15/100
GDPR Compliance
4 findings
53/100
NIS2 Compliance
9 findings
2/100
Email Security
3 findings
85/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The company holds a strong market position as a leadership coaching and training provider with a diversified offering including live seminars, online courses, books, and podcasts. Its competitive advantage lies in the authentic and energetic presentation style of Manfred Winterheller, combined with a 30-year track record and recognized awards. Revenue streams are diversified across event fees, digital course sales, and product sales via affiliate links (Amazon). The target customers are leadership professionals and entrepreneurs primarily in German-speaking countries. The company maintains a consistent brand and leverages partnerships for online course hosting and podcast distribution. Growth indicators include upcoming events and continuous content updates. The ecosystem includes related domains for online courses and podcast platforms, indicating a well-integrated digital presence.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
The current security maturity is moderate. HTTPS is enforced, and forms are properly validated. However, the absence of DNSSEC and security headers reduces the overall security robustness. There is no public incident response or vulnerability disclosure policy, which could impact trust in case of security incidents. GDPR compliance is partially addressed with a privacy policy but lacks cookie consent mechanisms. No certifications or security frameworks are referenced. The website does not expose sensitive data or use vulnerable libraries visibly. Overall, the security posture is adequate for the business type but could be improved with standard best practices and transparency.
Strategic Recommendations
Priority Actions for Security Improvement
Enable DNSSEC on the domain to protect against DNS spoofing and improve domain security.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
WINTERHELLER management GmbH
Manfred Winterheller ist international erfolgreicher Vortragender, Unternehmer, Coach und Bestsellerautor. Das Unternehmen bietet Vorträge, Seminare, Online-Kurse und Produkte rund um Führung und Persönlichkeitsentwicklung an. Ziel ist es, das Potenzial in Menschen zu wecken und nachhaltigen unternehmerischen Erfolg zu fördern.
excellent
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enabled
- Secure contact form with required fields
- No exposed sensitive data in HTML
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with rich content.
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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
Missing X-Frame-Options header
HIGHPrevents clickjacking attacks
Missing X-Content-Type-Options header
MEDIUMPrevents MIME type sniffing
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
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 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
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
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 58 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
Critical Service Exposed: RDP
CRITICALPort 3389 (RDP) is publicly accessible - RDP - Remote Desktop, prime ransomware target
How does winterheller.com compare?
winterheller.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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