Authentication Patterns Overview Authentication and authorization patterns for securing backend applications. Authentication Methods JWT (JSON Web Tokens) Token Structure: Implementation: Session-Based Authentication OAuth 2.0 / OpenID Connect Implementation with Passport.js: Password Security Hashing Password Requirements Authorization Patterns Role-Based Access Control (RBAC) Attribute-Based Access Control (ABAC) Security Best Practices Token Storage | Storage | Access Token | Refresh Token | |---------|--------------|---------------| | Memory | Yes | No | | HttpOnly Cookie | Yes (CSRF prot…