Is zum.de Safe? Security Analysis for Zentrale für Unterrichtsmedien im Internet e.V.
https://zum.deCheck if zum.de is a scam or legitimate. Free security scan and reviews.
Below 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
Zentrale für Unterrichtsmedien im Internet e.V. (ZUM) is a German non-profit organization dedicated to promoting digital education and open teaching materials since 1997. The website serves as a portal offering various educational platforms and tools, targeting educators, students, and learners interested in digital and open educational resources. The organization operates on a volunteer basis and is funded through donations, emphasizing free and accessible teaching content. Technically, the website is built on WordPress with modern plugins and libraries, including interactive H5P content and privacy-focused Matomo analytics. The site is well-structured, mobile-optimized, and provides clear navigation and relevant content. Security posture is good with HTTPS enforced and cookie consent mechanisms in place, though some security headers could be improved. No critical vulnerabilities or suspicious activities were detected. Overall, the site reflects a mature, trustworthy educational platform with strong compliance to GDPR and privacy standards.
Detected Technologies
9 urgent findings need attention
9 high
- + 1 more findings in the full report below
Keep zum.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
2 findings
80/100
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
ZUM holds a solid position in the German educational non-profit sector, offering a suite of digital tools and platforms for teaching and learning. Its business model is donation-based and volunteer-driven, focusing on open educational resources. The organization targets educators and learners, providing specialized portals for different educational needs such as primary school and German language learning. The website's integration with social media and educational ad networks supports outreach and funding. The lack of commercial advertising and emphasis on community engagement and transparency strengthens its credibility. The platform's longevity and consistent branding indicate stable operations and a trusted presence in the education technology space.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a good security posture with HTTPS enabled and use of privacy-respecting analytics (Matomo). Cookie consent is managed via a reputable GDPR plugin (Complianz). However, explicit security headers like Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options are not clearly present and should be implemented to enhance protection against common web attacks. No exposed sensitive data or vulnerable libraries were detected in the provided content. Incident response and security policy pages are not found, which could be improved to demonstrate security maturity. Overall, the site is secure for its purpose but could benefit from additional hardening and transparency regarding security practices.
Strategic Recommendations
Priority Actions for Security Improvement
Implement comprehensive security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Zentrale für Unterrichtsmedien im Internet e.V.
Die Zentrale für Unterrichtsmedien im Internet e.V. (ZUM) fördert die Digitalisierung von Schule und Lehrinhalten seit 1997. Sie bietet offene, nicht-kommerzielle Plattformen für Unterrichtsmaterialien, interaktive Inhalte, Werkzeuge für den Unterricht, Wiki-Workspaces für Schülerprojekte und Lernplattformen für Deutsch als Fremdsprache.
good
consistent
Technical Stack
moderate
good
good
good
Security Assessment
- HTTPS enforced
- Use of Matomo for privacy-respecting analytics
- Cookie consent management via Complianz plugin
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a well-established non-profit educational platform.
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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 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
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 78 days
Mixed Content Detected
MEDIUM2 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
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
Service Exposed: SSH
MEDIUMPort 22 (SSH) is publicly accessible - SSH - Secure but can be brute-forced
How does zum.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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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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