Is sdf-eu.org Safe? Security Analysis for Super Dimension Fortress EU
https://sdf-eu.orgCheck if sdf-eu.org 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
The Super Dimension Fortress EU (SDF-EU) operates as a non-profit community based in Falkenstein, Germany, offering free UNIX shell accounts and a variety of computing resources aimed at educators, students, researchers, and hobbyists. The organization is an independent subsidiary of the SDF Public Access UNIX System and focuses on providing remote computing facilities for education, cultural enrichment, and recreation. The website serves as a portal for account creation and community interaction, leveraging the DokuWiki CMS platform. From a technical perspective, the website employs standard web technologies including HTML, CSS, JavaScript, and jQuery, with DokuWiki as the content management system. The site is moderately optimized with basic mobile responsiveness and accessibility features. Performance is average, and SEO practices are minimal but present. The hosting provider is not explicitly identified beyond the registrar information. Security posture is basic; HTTPS is enabled ensuring encrypted communications, but no advanced security headers or DNSSEC are implemented. The absence of privacy and cookie policies, as well as incident response contacts, indicates compliance and security maturity gaps. No vulnerabilities or malware indicators were detected, but improvements are recommended to enhance security and privacy compliance. Overall, the website is functional and trustworthy for its niche community audience but would benefit from enhanced security measures, formalized privacy documentation, and clearer contact information to improve compliance and user trust.
Detected Technologies
14 urgent findings need attention
3 critical · 11 high
- + 6 more findings in the full report below
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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
6 findings
35/100
GDPR Compliance
3 findings
50/100
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
SDF-EU occupies a niche position as a non-commercial, member-supported community providing free UNIX shell access and related computing services primarily for educational and research purposes. Its competitive advantage lies in its long-standing presence since 2011 and its focus on inclusivity, including support for the blind and hobbyists. The business model is non-profit and community-driven, relying on member support rather than commercial revenue streams. The target audience includes free software authors, educators, students, and researchers interested in UNIX shell environments. The organization maintains a modest but stable ecosystem with no evident commercial partnerships or subsidiaries beyond its parent non-profit entity. Growth indicators are limited but consistent with a specialized community service. Strategic observations suggest opportunities to enhance visibility and compliance to attract broader participation and support.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
The current security maturity level is basic. The website uses HTTPS, which is mandatory for secure communications, but lacks DNSSEC and standard security headers such as Content Security Policy, HSTS, and X-Frame-Options. There is no published privacy policy, cookie policy, or incident response information, which are critical for GDPR and general data protection compliance. The absence of these policies and contact channels may expose the organization to compliance risks and reduce user trust. No exposed sensitive data or vulnerable libraries were detected, and forms include basic validation. Incident response readiness appears minimal due to lack of published contacts. Overall, the security culture seems informal and could be improved by adopting recognized frameworks and publishing clear policies.
Strategic Recommendations
Priority Actions for Security Improvement
Enable DNSSEC to improve domain security and prevent DNS spoofing.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Super Dimension Fortress EU
The Super Dimension Fortress EU (SDF-EU) is a networked community based in Falkenstein, Vogtland, Germany, providing free UNIX shell accounts and remotely accessible computing facilities for education, cultural enrichment, scientific research, and recreation. It is an independent subsidiary of the non-profit SDF Public Access UNIX System.
basic
moderate
Technical Stack
moderate
basic
basic
basic
Security Assessment
- HTTPS enabled
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a community-driven non-profit providing free UNIX shell accounts and educational resources.
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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 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
👤GDPR Compliance
Privacy and data protection assessment under GDPR regulations.
GDPR Compliance
Privacy and data protection assessment
No Privacy Policy found
HIGHGDPR requires a clear and accessible privacy policy
No Cookie Policy found
HIGHGDPR requires clear information about cookie usage
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
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
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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
Unable to retrieve SSL certificate
CRITICALCould not establish secure connection to retrieve certificate information
Mixed Content Detected
MEDIUM5 resources loaded over insecure HTTP
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
SPF Analysis
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
High-Risk Service Exposed: FTP
HIGHPort 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer
Service Exposed: SSH
MEDIUMPort 22 (SSH) is publicly accessible - SSH - Secure but can be brute-forced
Critical Service Exposed: Telnet
CRITICALPort 23 (Telnet) is publicly accessible - Telnet - Unencrypted remote access
Critical Service Exposed: MySQL
CRITICALPort 3306 (MySQL) is publicly accessible - MySQL - Database server
How does sdf-eu.org compare?
sdf-eu.org scores below average. Browse similar domains to see how competitors handle security.
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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Marketing Intelligence
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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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