Is c40.org Safe? Security Analysis for C40 Cities Climate Leadership Group, Inc.
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Below Government avg (70)
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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
C40 Cities Climate Leadership Group, Inc. operates a globally recognized network of nearly 100 mayors from leading cities committed to urgent climate action. The organization focuses on facilitating collaboration, sharing knowledge, and driving impactful climate initiatives across sectors such as energy, transport, and urban planning. Their market position is strong as a leading non-profit entity influencing global climate policy and city-level implementation. Technically, the website is built on a modern WordPress platform with advanced SEO, accessibility, and performance optimizations. It leverages trusted technologies including Gravity Forms for data collection, Yoast SEO for search optimization, and Google Tag Manager alongside Plausible Analytics for user tracking and analytics. The site is mobile-optimized and provides multilingual support via GTranslate. From a security perspective, the site enforces HTTPS, employs cookie consent mechanisms, and uses secure forms with explicit user consent. However, it lacks visible security headers and a public incident response or vulnerability disclosure policy, which are recommended for enhanced security posture. No vulnerabilities or exposed sensitive data were detected. Overall, the website presents a professional, trustworthy, and well-maintained digital presence consistent with a reputable global non-profit organization. The absence of WHOIS data is likely due to privacy protection and does not detract from the site's legitimacy. Strategic improvements in security transparency and incident response communication would further strengthen trust and compliance.
Detected Technologies
10 urgent findings need attention
10 high
- + 2 more findings in the full report below
Keep c40.org 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
7 findings
25/100
GDPR Compliance
3 findings
68/100
NIS2 Compliance
8 findings
17/100
Email Security
6 findings
70/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
C40 Cities is positioned as a leading global non-profit network that empowers city mayors to take collective climate action. Their business model centers on collaboration, advocacy, and knowledge dissemination rather than commercial revenue generation. The organization targets municipal governments, policymakers, climate activists, and international stakeholders. Their partnership ecosystem includes funders, global institutions, and knowledge hubs. The website content and structure indicate a mature organization with a large scale and significant influence in the climate governance sector. Growth indicators include active campaigns, accelerator programs, and a broad member city base. The digital presence supports their mission with comprehensive resources, events, and news updates.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a solid baseline security posture with HTTPS enforcement, secure form handling, and cookie consent compliance. The absence of security headers and a public security policy or incident response plan represents a gap in transparency and best practices. No direct contact emails for security incidents or vulnerability disclosures were found, limiting incident response readiness. The site does not expose sensitive data or use vulnerable libraries based on the analysis. Compliance with GDPR is indicated through privacy policy and consent mechanisms. Overall, the security maturity is moderate to good but can be improved by adopting additional security standards and public disclosures.
Strategic Recommendations
Priority Actions for Security Improvement
Implement HTTP security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to enhance protection against common web attacks.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
C40 Cities Climate Leadership Group, Inc.
C40 Cities is a global network of nearly 100 mayors of the world’s leading cities that are united in action to confront the climate crisis.
excellent
consistent
Technical Stack
fast
excellent
good
excellent
Security Assessment
- HTTPS enforced
- No exposed sensitive data in HTML
- Use of consent banner for cookies
- Secure form with consent checkbox
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with no blocking or WAF challenges
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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 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 Policy found
HIGHGDPR requires clear information about cookie usage
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
Complex SPF record
LOWToo many include statements can cause lookup limits
DMARC not enforcing
MEDIUMDMARC policy is set to "none"
Strict DMARC Alignment
LOWStrict alignment may cause legitimate emails to fail
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 62 days
Weak SSL Key Length
HIGHSSL certificate uses 256-bit key, which is considered weak
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
DMARC Policy Set to None
LOWDMARC is configured but not enforcing any policy
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 c40.org 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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