Is rheinwerk-verlag.de Safe? Security Analysis for Rheinwerk Verlag GmbH
https://rheinwerk-verlag.deCheck if rheinwerk-verlag.de is a scam or legitimate. Free security scan and reviews.
Above Education avg (55)
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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
Rheinwerk Verlag GmbH operates as a leading specialized publisher in the German-speaking market, focusing on IT, design, and photography educational content. Their business model includes traditional book publishing, digital subscriptions (Rheinwerk 365), and educational events such as seminars and conferences. The website reflects a mature digital presence with professional design, clear navigation, and comprehensive content offerings targeting IT professionals, designers, photographers, and learners. The company maintains a strong market position with a focus on quality educational materials and digital transformation of their offerings. Technically, the website employs modern JavaScript libraries such as RequireJS and Knockout.js, integrates Google Tag Manager for analytics and marketing, and uses responsive design techniques ensuring excellent mobile optimization and accessibility. Hosting appears stable and self-managed with dedicated name servers. Performance is fast, and SEO practices are well implemented. From a security perspective, the site uses HTTPS with strong SSL configuration and implements a detailed cookie consent mechanism compliant with GDPR. Security headers are likely configured though not explicitly visible in HTML. No critical vulnerabilities or exposed sensitive data were detected. However, the site lacks a publicly visible security policy or incident response contact, which could be improved to enhance trust and readiness. Overall, Rheinwerk Verlag's website demonstrates a high level of professionalism, security awareness, and privacy compliance. The extensive use of third-party marketing and analytics tools is balanced with clear user consent and transparency. The domain registration data aligns well with the business identity, supporting legitimacy. Strategic recommendations include publishing a security policy, establishing a vulnerability disclosure channel, and enhancing direct contact options for security incidents.
Detected Technologies
6 urgent findings need attention
6 high
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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
4 findings
65/100
GDPR Compliance
1 finding
95/100
NIS2 Compliance
8 findings
17/100
Email Security
5 findings
70/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Rheinwerk Verlag GmbH holds a strong position in the education and publishing sector, specializing in IT, design, and photography. Their diversified revenue streams include print and digital book sales, subscription services, and educational events. The company targets professionals and enthusiasts seeking high-quality technical and creative knowledge. Their partnership ecosystem includes event platforms like rheinwerk-dmc.de, enhancing their market reach. The website's comprehensive content and digital offerings indicate a forward-looking business embracing digital transformation and customer engagement through multiple channels.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
The website exhibits a mature security posture with HTTPS enforced, use of CSRF tokens, and a granular cookie consent mechanism aligned with GDPR. No critical vulnerabilities or exposed sensitive data were found. However, the absence of a public security policy, incident response information, and vulnerability disclosure mechanisms represents gaps in transparency and readiness. The use of multiple third-party marketing and analytics services increases the attack surface but is mitigated by user consent and privacy disclosures. Overall, the security maturity is good but can be enhanced by formalizing and publishing security governance documents.
Strategic Recommendations
Priority Actions for Security Improvement
Publish a comprehensive security policy and incident response plan accessible on the website.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Rheinwerk Verlag GmbH
Rheinwerk ist der führende Verlag für IT, Design und Fotografie. Unsere Bücher helfen Einsteigern und Experten bei der Aus- und Weiterbildung.
excellent
consistent
Technical Stack
fast
excellent
good
good
Security Assessment
- Use of HTTPS
- Cookie consent with granular control
- No exposed sensitive data in HTML
- Use of CSRF tokens in forms
- No vulnerable libraries detected
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Comprehensive cookie consent mechanism with detailed cookie categories and descriptions
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
Weak Referrer-Policy configuration
LOWCurrent value: "no-referrer-when-downgrade"
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 Data Protection Officer mentioned
LOWLarge organizations may need to designate a DPO under GDPR
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
DMARC not enforcing
MEDIUMDMARC policy is set to "none"
No DMARC reporting
LOWDMARC aggregate reports not configured
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 80 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
DMARC Policy Set to None
LOWDMARC is configured but not enforcing any policy
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 rheinwerk-verlag.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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