Is circular.berlin Safe? Security Analysis for Circular City – Zirkuläre Stadt e.V.
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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
Circular Berlin is a small non-profit organization dedicated to accelerating Berlin's transition towards a circular city. Their core activities include knowledge building, community development, education, and practical programs focused on the circular economy. The organization positions itself as a key local actor fostering sustainable urban metabolism through research and community engagement. The website reflects a professional and consistent brand image with clear navigation and relevant content targeting circular economy practitioners and the broader community in Berlin. Technically, the website is built on WordPress with a modern tech stack including Bootstrap and jQuery, enhanced by plugins such as Yoast SEO and Matomo for analytics. Hosting and domain registration are transparent and consistent with the organization's profile. The site is moderately performant and well-optimized for mobile devices, with good SEO and accessibility basics in place. From a security perspective, the site enforces HTTPS and uses clientTransferProhibited domain status to prevent unauthorized transfers. However, DNSSEC is not enabled, and some recommended security headers are missing. The cookie consent mechanism is GDPR compliant, using CookieYes for user consent management. No explicit security or incident response policies are published, and no vulnerability disclosure or security.txt file is found. Overall, the website presents a trustworthy and professional digital presence for a non-profit organization. Strategic recommendations include enabling DNSSEC, implementing additional security headers, publishing a security policy, and enhancing incident response readiness to further strengthen security posture and trust.
Detected Technologies
9 urgent findings need attention
9 high
- + 1 more findings in the full report below
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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
7 findings
30/100
GDPR Compliance
2 findings
83/100
NIS2 Compliance
8 findings
17/100
Email Security
1 finding
80/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Circular Berlin operates as a non-profit entity focused on the circular economy sector within Berlin, Germany. The organization leverages community building, education, and knowledge dissemination as its primary business model. It targets local circular economy actors, educators, and practitioners, positioning itself as a hub for sustainable urban development. The website indicates active engagement through events, workshops, and a membership community, supported by partnerships with platforms like Eventbrite and a presence on social media channels. Revenue streams likely include donations, grants, and membership fees, consistent with non-profit operations. The organization demonstrates growth potential through educational offerings and community expansion, supported by transparent governance and financial disclosures.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a moderate security maturity level with HTTPS enforced and domain transfer protections in place. The absence of DNSSEC and some security headers represents areas for improvement. The cookie consent implementation aligns with GDPR requirements, reflecting good privacy practices. No exposed sensitive data or vulnerable libraries were detected in the analysis. However, the lack of a published security policy or incident response contact limits transparency and preparedness for security incidents. The use of Matomo analytics indicates a privacy-conscious approach to user tracking. Overall, the security posture is adequate for a non-profit but would benefit from enhanced DNS security, security headers, and formalized incident response documentation.
Strategic Recommendations
Priority Actions for Security Improvement
Enable DNSSEC on the domain to enhance DNS security and prevent spoofing.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Circular City – Zirkuläre Stadt e.V.
Accelerating Berlin’s transition towards a circular city. We are a non-profit reshaping Berlin’s metabolism – by developing the local circular economy agenda and its implementation, through research, community-building and practical programmes.
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enforced
- ClientTransferProhibited domain status
- Cookie consent with opt-in/out
- No exposed sensitive data detected in HTML
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a professionally maintained non-profit focused on circular economy in Berlin.
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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 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 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
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
No DMARC record found
HIGHDMARC provides email authentication and reporting
SPF Details
DKIM Selectors Found
DMARC Details
MTA-STS 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 69 days
Mixed Content Detected
MEDIUM1 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 Delete Lock Not Enabled
LOWDomain can be deleted without additional verification
Domain Registration Details
DNS Records
DNSSEC Status
DNS Performance
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
How does circular.berlin 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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