Is dvv.de Safe? Security Analysis for Duisburger Versorgungs- und Verkehrsgesellschaft mbH
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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
Duisburger Versorgungs- und Verkehrsgesellschaft mbH (DVV) is a large municipal multi-service company based in Duisburg, Germany, providing essential services including energy supply (electricity, gas, water, heat) and public transportation. The company operates through numerous subsidiaries covering various sectors such as public transport, energy networks, and service providers. The website reflects a mature digital presence built on TYPO3 CMS with modern frontend technologies and includes comprehensive information about the company, its subsidiaries, and corporate governance. Privacy compliance is well implemented with a detailed cookie consent mechanism and GDPR-aligned privacy policy. However, explicit security and incident response policies are not publicly disclosed. The company maintains a good security posture with HTTPS and no visible vulnerabilities, but could improve by adding security headers and formal vulnerability disclosure channels.
Detected Technologies
12 urgent findings need attention
3 critical · 9 high
- + 4 more findings in the full report below
Keep dvv.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
7 findings
25/100
GDPR Compliance
4 findings
43/100
NIS2 Compliance
9 findings
0/100
Email Security
3 findings
85/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
DVV holds a strong regional market position as a key infrastructure provider in Duisburg, serving both citizens and municipal entities. Its business model centers on integrated energy and mobility services, supported by a large workforce and multiple subsidiaries. The company emphasizes sustainability with a climate protection program targeting CO2 neutrality by 2035. The website's content and linked domains confirm a broad partnership and subsidiary ecosystem, reinforcing its role as a major local employer and service provider. The presence of career and training pages indicates active talent acquisition and development efforts.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
The website enforces HTTPS and uses a cookie consent mechanism aligned with GDPR requirements, indicating a baseline security and privacy awareness. No critical security headers were detected, and no incident response or security policy pages are published, which suggests room for improvement in transparency and security maturity. The use of Matomo analytics shows a preference for privacy-friendly tracking. No exposed sensitive data or vulnerable libraries were found in the HTML content. Overall, the security posture is good but could be enhanced by adopting additional best practices such as security headers and a public vulnerability disclosure policy.
Strategic Recommendations
Priority Actions for Security Improvement
Implement HTTP security headers such as Content-Security-Policy, 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
Duisburger Versorgungs- und Verkehrsgesellschaft mbH
Die Duisburger Versorgungs- und Verkehrsgesellschaft (DVV) ist ein Multidienstleistungskonzern, der für eine zuverlässige Versorgung mit Strom, Wärme, Wasser, Gas und Mobilität in Duisburg sorgt. Sie ist Muttergesellschaft diverser Tochterunternehmen, die im ÖPNV, Energiewirtschaft und weiteren Dienstleistungen tätig sind. Mit über 4500 Beschäftigten zählt sie zu den größten Arbeitgebern in Duisburg.
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enforced (canonical URL is https)
- Cookie consent with opt-in mechanism
- No exposed sensitive data in HTML
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with no blocking or WAF challenges
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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 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 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
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
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
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
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
Good Network Security Posture
LOWNo unnecessary services detected on common risky ports
How does dvv.de 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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