Is yearn.finance Safe? Security Analysis for Yearn
Check if yearn.finance is a scam or legitimate. Free security scan and reviews.
AI Summary
Yearn is a prominent decentralized finance (DeFi) yield aggregator platform founded in 2020, offering compounding vaults and an app ecosystem to optimize returns on digital assets. It targets cryptocurrency investors seeking automated yield strategies and integrates with multiple partner projects to expand its service offerings. The website demonstrates a high level of professionalism, modern design, and clear navigation, reflecting a mature digital presence in the DeFi space. Technically, the site is built using modern web technologies including React and Next.js, hosted with Cloudflare DNS services, and optimized for performance and mobile responsiveness. The use of plausible analytics indicates a privacy-conscious approach to user tracking. However, explicit privacy and cookie policies are not found, which is a gap in compliance and transparency. From a security perspective, Yearn emphasizes audits and bug bounty programs, indicating a strong commitment to protecting user assets. The site uses HTTPS with good SSL configuration but lacks some security headers and explicit incident response contact information. The WHOIS data shows privacy protection typical for crypto projects, with domain age consistent with the business history, supporting legitimacy. Overall, Yearn presents a trustworthy and technically sound platform with room for improvement in privacy compliance and security transparency. Strategic recommendations include publishing clear privacy and cookie policies, adding security headers, and providing direct contact channels for security incidents to enhance user trust and regulatory compliance.
Detected Technologies
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Yearn holds a leading position in the DeFi yield aggregation market, leveraging a decentralized business model that automates yield optimization for crypto assets. Its revenue streams likely include fees from vault usage and partnerships. The platform targets crypto investors and DeFi users, supported by a robust ecosystem of partner integrations and community-built apps. Growth indicators include a large amount of assets deposited and active collaborations with recognized DeFi projects. The absence of direct contact information is common in decentralized projects but may limit traditional business engagement. The partnership ecosystem is extensive, enhancing Yearn's competitive advantage and market reach.
Security Posture Analysis
Comprehensive Security Assessment
Yearn demonstrates a mature security posture with audited smart contracts and an active bug bounty program hosted on Immunefi, reflecting proactive vulnerability management. The website enforces HTTPS and uses Cloudflare DNS, contributing to secure infrastructure. However, the lack of explicit security headers and absence of published security policies or incident response contacts are areas for improvement. There is no evidence of exposed sensitive data or vulnerable libraries in the website content. Compliance with GDPR and data protection regulations is unclear due to missing privacy and cookie policies. Overall, Yearn's security culture appears strong but could benefit from enhanced transparency and formalized security documentation.
Strategic Recommendations
Priority Actions for Security Improvement
Publish comprehensive privacy and cookie policies on the website to improve GDPR compliance and user transparency.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Yearn
Yearn is DeFi's Yield Aggregator, a yield protocol for digital assets that offers compounding vaults and an app ecosystem for earning on crypto assets.
excellent
consistent
Technical Stack
fast
excellent
good
good
Security Assessment
- HTTPS enforced
- Bug bounty program
- Audited smart contracts
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with no blocking or WAF challenges.
🛡️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
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 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
EU business without adequate privacy measures
CRITICALEU businesses are subject to strict GDPR requirements
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: transport, digital
📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
No SPF record found
HIGHSPF helps prevent email spoofing
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
No email authentication configured
CRITICALDomain is vulnerable to email spoofing
🏆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 68 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
Potential Subdomain Takeover
HIGHSubdomain api.yearn.fi points to unregistered service d3ovxowcsriu34.cloudfront.net
No DMARC Record
MEDIUMDMARC policy not configured
DNS Records
DNSSEC Status
DNS Performance
⚡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
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings