Is hamburger-tennisverband.de Safe? Security Analysis for Hamburger Tennis-Verband e.V.
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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
Hamburger Tennis-Verband e.V. is a regional non-profit sports association dedicated to promoting tennis activities in Hamburg, Germany. The website serves as an information hub for players, clubs, trainers, and tennis enthusiasts, offering event calendars, tournament details, training programs, youth development initiatives, and inclusion projects. The association maintains partnerships with recognized tennis organizations and sponsors, reinforcing its position as a key regional tennis authority. Technically, the website employs a mix of established JavaScript libraries such as jQuery, Bootstrap 3.3.5, Owl Carousel, and jQuery.mmenu for responsive and interactive UI elements. Google Tag Manager and Google Analytics are used for visitor tracking and analytics. The site is mobile-optimized with a clear navigation structure, though it lacks a known CMS and some modern security headers. From a security perspective, the site uses HTTPS and implements a cookie consent mechanism, indicating awareness of privacy regulations. However, no explicit security policies or incident response contacts are published, and security headers like CSP or HSTS are not detected. The WHOIS data shows a consistent and legitimate domain registration without privacy protection, aligning with the organization's transparency. Overall, the website is professional, trustworthy, and well-suited for its audience, with room for improvement in security best practices and formal policy disclosures.
Detected Technologies
12 urgent findings need attention
1 critical · 11 high
- + 4 more findings in the full report below
Keep hamburger-tennisverband.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
8 findings
15/100
GDPR Compliance
5 findings
28/100
NIS2 Compliance
8 findings
17/100
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 Hamburger Tennis-Verband operates as a regional governing body for tennis in Hamburg, focusing on community engagement, event organization, and player development. Its business model is non-profit, relying on partnerships, sponsorships, and member services. The association targets tennis players, clubs, coaches, and youth in the Hamburg area. The presence of multiple sponsors and partner organizations indicates a healthy ecosystem and strong local market position. The website content and structure support ongoing growth and community involvement, with digital tools for court booking and tournament management enhancing service delivery.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a moderate security posture with HTTPS enabled and a cookie consent banner, reflecting compliance with basic privacy laws such as GDPR. However, the absence of advanced security headers (CSP, HSTS) and lack of published security policies or incident response contacts suggest gaps in security maturity. No vulnerabilities or exposed sensitive data were detected in the HTML content. The use of third-party scripts like Google Analytics introduces moderate tracking but no apparent security risks. Enhancing security headers and publishing a security policy would improve trust and resilience.
Strategic Recommendations
Priority Actions for Security Improvement
Implement HTTP security headers including Content-Security-Policy, Strict-Transport-Security, X-Frame-Options, and X-Content-Type-Options.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Hamburger Tennis-Verband e.V.
Regional tennis association providing information, event calendars, training, tournaments, youth promotion, and inclusion initiatives for tennis in Hamburg.
good
consistent
Technical Stack
moderate
good
basic
basic
Security Assessment
- HTTPS usage implied by URL
- Cookie consent banner implemented
- No exposed sensitive data in HTML
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a regional sports association portal for tennis in Hamburg.
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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
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
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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 67 days
Mixed Content Detected
MEDIUM25 resources loaded over insecure HTTP
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
High-Risk Service Exposed: FTP
HIGHPort 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer
How does hamburger-tennisverband.de compare?
hamburger-tennisverband.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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Marketing Intelligence
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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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