Is hertener-stadtwerke.de Safe? Security Analysis for Hertener Stadtwerke 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
Hertener Stadtwerke GmbH is a regional energy utility company based in Herten, Germany, with a long-standing history of approximately 125 years. The company provides a comprehensive range of energy products and services including electricity, natural gas, district heating, water supply, photovoltaic solutions, and e-mobility infrastructure. Their website targets private customers in the Herten region, offering detailed information and customer service options. The business model focuses on regional energy supply and customer-centric services, supported by digital tools such as a customer portal and mobile app. The company maintains a consistent brand presence and demonstrates trustworthiness through structured data, official contact information, and social media engagement.
Detected Technologies
10 urgent findings need attention
10 high
- + 2 more findings in the full report below
Keep hertener-stadtwerke.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
5 findings
45/100
GDPR Compliance
2 findings
83/100
NIS2 Compliance
9 findings
2/100
Email Security
4 findings
70/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The company holds a solid market position as a local energy provider with a diversified portfolio of energy products and services. Their offerings include dynamic tariffs, energy consulting, and support for sustainable energy solutions like photovoltaics and electric vehicle charging. The website reflects a mature digital presence with integration of third-party services for customer onboarding and journey management. The business model is primarily B2C focused on private customers, with clear growth indicators such as digital app services and energy-saving initiatives. Partnerships with service providers like epilot.io enhance their customer experience ecosystem. The company’s operations are regionally focused, emphasizing reliability and environmental responsibility.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a good security posture with HTTPS enforced, session management via secure cookies, and a cookie consent mechanism compliant with GDPR. Security and fraud prevention cookies are in use, and Google Tag Manager is implemented responsibly with user consent. However, explicit security policies, incident response contacts, and vulnerability disclosure mechanisms are not published, representing areas for improvement. Security headers are not explicitly visible in the provided data, suggesting potential enhancement opportunities. No vulnerabilities or exposed sensitive data were detected in the analysis. Overall, the security maturity is solid but could benefit from formalized policies and transparency.
Strategic Recommendations
Priority Actions for Security Improvement
Implement and publish a formal security policy and incident response contact information to enhance transparency and preparedness.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Hertener Stadtwerke GmbH
Kundennah, zukunftsorientiert und verantwortungsvoll – das sind wir. Immer da, wenn es darauf ankommt, für Herten und die Region. Unsere Produkte und Energielösungen überzeugen, helfen beim Energiesparen und leisten einen positiven Beitrag für unsere Umwelt.
excellent
consistent
Technical Stack
moderate
good
good
good
Security Assessment
- HTTPS enforced
- Cookie consent with opt-in/out
- Session cookies used securely
- Security and fraud prevention cookies (TS* cookies)
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 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
👤GDPR Compliance
Privacy and data protection assessment under GDPR regulations.
GDPR Compliance
Privacy and data protection assessment
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 DKIM record found
MEDIUMDKIM adds cryptographic signatures to emails
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
🏆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 42 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
Unregistered MX Record
HIGHMX record points to unregistered domain: mx1.herten.de
No Name Servers Found
HIGHUnable to find name servers for domain
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 hertener-stadtwerke.de compare?
See how hertener-stadtwerke.de stacks up against similar websites in the same industry.
🔧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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