This NFT rental platform implements comprehensive security measures to protect users and prevent common vulnerabilities.

• Location: src/lib/validation.ts
• Purpose: Validates Solana mint addresses using proper base58 format checking
• Features:
  • Length validation (44 characters)
  • Base58 format verification
  • PublicKey constructor validation
  • Prevents malformed addresses from being processed

• Purpose: Prevents SSRF attacks and ensures secure image URLs
• Features:
  • HTTPS-only requirement
  • Private/localhost IP blocking
  • Malformed URL rejection
  • Protection against internal network access

• Purpose: Prevents overflow attacks and unrealistic values
• Limits:
  • Daily rent: 0.001 - 1000 SOL
  • Collateral: 0.001 - 10000 SOL
  • Duration: 1 - 365 days

• Location: src/lib/validation.ts - sanitizeTextInput()
• Features:
  • Script tag removal
  • JavaScript protocol blocking
  • Event handler stripping
  • Length limiting

• Automatic sanitization of user-generated content
• Suspicious content logging
• Length-based attack detection

• Authentication: 5 attempts per 5 minutes per email
• NFT Listing: 3 submissions per minute
• NFT Rental: 5 attempts per minute
• Features:
  • Per-user tracking
  • Configurable windows
  • Automatic cleanup

• Location: src/hooks/useSecurityMonitor.ts
• Event Types:
  • Authentication failures
  • Validation errors
  • Rate limit violations
  • Suspicious input detection

• Location: src/components/SecurityDashboard.tsx
• Features:
  • Real-time event monitoring
  • Event categorization
  • Severity classification
  • Metadata inspection

• Minimum 8 characters
• Must contain uppercase, lowercase, and numbers
• Password mismatch logging
• Weak password attempt tracking

• Proper session management
• Email redirect URL validation
• Auth failure logging
• Rate-limited login attempts

• All tables have RLS enabled
• Secure access policies implemented
• Profile privacy protection
• Owner-only data access

• Profiles: Users can only view their own profile and renters of their NFTs
• NFT Listings: Owners can manage their listings, public can view active ones
• Rentals: Users can view/manage their rentals and listings

• Multiple validation layers
• Client and server-side security
• Input sanitization and validation
• Rate limiting and monitoring

• RLS policies restrict data access
• Users can only access their own data
• Minimal exposure of sensitive information

• Comprehensive logging
• Real-time alerting
• Attack pattern detection
• Audit trail maintenance

1. Enable Supabase Password Protection

   • Navigate to: Supabase Dashboard → Authentication → Settings
   • Enable "Password strength requirements"
   • Enable "Leaked password protection"

2. Database Security

   • Keep PostgreSQL updated
   • Regular security patches
   • Monitor auth logs

3. Monitoring & Alerting

   • Set up log monitoring
   • Configure security alerts
   • Regular security audits

• No sensitive data in environment variables
• All secrets managed through Supabase
• Proper API key rotation

For security-related concerns or to report vulnerabilities, please:

1. Check the security dashboard for ongoing issues
2. Review auth logs for suspicious activity
3. Contact the development team with detailed information

• Monitor security dashboard
• Check for authentication anomalies
• Review rate limiting effectiveness

• Audit RLS policies
• Review security event logs
• Update dependencies if needed

• Security audit of new features
• Review and update security policies
• Test incident response procedures

This implementation follows:

• OWASP security guidelines
• Web3 security best practices
• Input validation standards
• Authentication security protocols