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Security Architecture

Security measures and best practices.

Authentication​

JWT Tokens​

  • Access tokens (short-lived)
  • Refresh tokens (long-lived)
  • Token rotation

OAuth 2.0​

Optional OAuth providers:

  • Google
  • Facebook
  • GitHub

Authorization​

Role-Based Access Control (RBAC)​

Roles:

  • User
  • Moderator
  • Admin

Resource-Level Permissions​

  • Post privacy settings
  • Friend-only content
  • Custom friend lists

Data Protection​

Encryption​

  • HTTPS/TLS for transport
  • Database encryption at rest
  • Encrypted backups

Data Privacy​

  • GDPR compliance
  • User data export
  • Account deletion

API Security​

Rate Limiting​

  • Per-user limits
  • Per-endpoint limits
  • IP-based limits

Input Validation​

  • Sanitize all inputs
  • Validate data types
  • Prevent SQL injection
  • Prevent XSS attacks

Infrastructure Security​

Network Security​

  • Firewall rules
  • VPC isolation
  • Private subnets

Container Security​

  • Non-root users
  • Minimal base images
  • Security scanning

Monitoring & Logging​

Security Monitoring​

  • Failed login attempts
  • Unusual access patterns
  • Suspicious activity

Audit Logging​

  • User actions
  • Admin actions
  • System changes

Compliance​

Standards​

  • GDPR
  • SOC 2
  • ISO 27001

Data Handling​

  • Data retention policies
  • Secure data deletion
  • Privacy controls

Best Practices​

  1. Keep dependencies updated
  2. Regular security audits
  3. Penetration testing
  4. Security training
  5. Incident response plan

Next Steps​