Is stroeer.com Safe? Security Analysis for Ströer SE & Co. KGaA
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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
Ströer SE & Co. KGaA is a leading German media company specializing in Out-of-Home (OOH) advertising, digital advertising, dialog marketing, and e-commerce services. Listed on the MDAX, Ströer holds a strong market position in Germany with a comprehensive portfolio of advertising solutions supported by subsidiaries and partner companies. The company emphasizes sustainability and diversity, aiming for CO2 neutrality by 2025 and fostering an inclusive work environment. Technically, the website is built on TYPO3 CMS with modern frontend technologies like Alpine.js and uses Cloudflare for DNS and CDN services. Analytics are managed via Matomo, and cookie consent is handled by Cookiebot, ensuring GDPR compliance. Security posture is solid with valid SSL certificates, SPF and DMARC records, but lacks advanced DNS security features like DNSSEC and CAA records. The site does not currently publish a security policy or incident response plan publicly. Overall, the website demonstrates a professional, trustworthy, and well-maintained digital presence aligned with business goals and regulatory requirements.
Detected Technologies
7 urgent findings need attention
7 high
Keep stroeer.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
2 findings
85/100
GDPR Compliance
5 findings
43/100
NIS2 Compliance
7 findings
25/100
Email Security
4 findings
70/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Ströer operates primarily in the media sector, focusing on advertising across multiple channels including OOH, digital, and dialog marketing. Its business model leverages a diversified service offering supported by subsidiaries such as Ströer Media Deutschland GmbH and Edgar Ambient Media Group GmbH. The company targets advertisers, media buyers, and investors within Germany, emphasizing sustainable and responsible advertising solutions. Its market positioning as a MDAX-listed company reflects significant scale and influence. The presence of multiple specialized tools and planners indicates a mature ecosystem supporting client campaign planning and execution. Partnerships with service providers like Retarus for email infrastructure enhance operational reliability. The company’s strategic focus on sustainability and diversity further strengthens its brand and stakeholder trust.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
Ströer’s security posture is moderate to good. The website uses a valid SSL certificate issued by a recognized issuer, ensuring encrypted communications. SPF and DMARC DNS records are configured correctly, reducing email spoofing risks. However, DNSSEC and CAA records are not implemented, which are recommended for enhanced DNS security and certificate issuance control. The absence of HSTS headers and modern TLS cipher suites indicates room for improvement in transport security hardening. No explicit security policy, incident response information, or security.txt file is published, which limits transparency and readiness communication. Cookie consent is managed via Cookiebot, supporting GDPR compliance and user privacy. Overall, while basic security controls are in place, adopting advanced DNS security and publishing formal security policies would improve the security maturity and trustworthiness.
Strategic Recommendations
Priority Actions for Security Improvement
Enable HTTP Strict Transport Security (HSTS) with includeSubDomains and preload to enforce HTTPS and prevent downgrade attacks.
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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)
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
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 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 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
DMARC Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
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 66 days
Weak SSL Key Length
HIGHSSL certificate uses 256-bit key, which is considered weak
Mixed Content Detected
MEDIUM2 resources loaded over insecure HTTP
Certificate Details
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
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 stroeer.com 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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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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