Is opensea.io Safe? Security Analysis for Opensea
Check if opensea.io is a scam or legitimate. Free security scan and reviews.
AI Summary
OpenSea is a leading NFT marketplace established in 2017, headquartered in the US. It provides a platform for discovering, trading, and creating NFTs across multiple blockchain platforms including Ethereum, Polygon, Solana, and others. The website demonstrates a mature digital infrastructure using modern frameworks like Next.js and React, supported by Cloudflare for DNS and hosting. The platform hosts numerous verified collections and offers token trading services, positioning itself as a market leader in the NFT space. Security posture is strong with HTTPS enforcement and multiple security headers, though explicit security policies and incident response information are not publicly available. Privacy compliance is limited due to absence of visible privacy and cookie policies. Overall, the site is professional, trustworthy, and well-optimized for performance and mobile use.
Detected Technologies
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
OpenSea operates as an essential technology company in the blockchain and NFT marketplace sector. Its business model revolves around facilitating NFT transactions and creation, targeting NFT collectors, creators, and traders globally. The platform's market position is dominant, supported by a large user base and extensive verified collections. Revenue streams likely include transaction fees and premium services. The company maintains a strong brand presence and partnerships with major NFT projects. Growth indicators include continuous addition of new collections and support for multiple blockchain platforms. The ecosystem includes integrations with various blockchain networks and external services for content delivery and analytics.
Security Posture Analysis
Comprehensive Security Assessment
The website exhibits a high security maturity level with enforced HTTPS, use of Cloudflare DNS, and presence of key security headers such as HSTS, CSP, and X-Frame-Options. No exposed sensitive data or vulnerable libraries were detected in the analyzed content. However, the absence of publicly available security policies, incident response contacts, and vulnerability disclosure mechanisms indicates room for improvement in transparency and compliance. GDPR compliance indicators are minimal due to missing privacy and cookie policies. Incident response readiness and security culture indicators are not evident from the content. Overall, the security posture is strong technically but lacks documented governance and compliance artifacts.
Strategic Recommendations
Priority Actions for Security Improvement
Publish a comprehensive privacy policy and cookie policy with GDPR compliance details.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Opensea
OpenSea is the leading NFT marketplace, and now supports token trading. Welcome to the best place to discover, trade, and create onchain.
excellent
consistent
Technical Stack
fast
excellent
good
good
Security Assessment
- HTTPS enforced
- clientTransferProhibited domain status
- use of Cloudflare DNS
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a professional NFT marketplace with extensive verified collections.
🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Weak Strict-Transport-Security configuration
LOWCurrent value: "max-age=15552000; includeSubDomains; preload"
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)
Weak Referrer-Policy configuration
LOWCurrent value: "same-origin"
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 Cookie Policy found
HIGHGDPR requires clear information about cookie usage
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
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
📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
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
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 66 days
Weak SSL Key Length
HIGHSSL certificate uses 256-bit key, which is considered weak
Partial SSL/TLS Assessment
LOWCompleted 2 of 4 security checks due to time constraints
Certificate Details
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
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
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings