Summary
- Industry-standard authentication and authorization patterns for building secure, scalable access control systems.
- Covers JWT (with refresh token flow), session-based, and OAuth2/social login strategies with production-ready code examples Includes role-based access control (RBAC), permission-based authorization, and resource ownership validation patterns Provides password hashing with bcrypt, rate limiting, and security best practices including token expiration and secure cookie flags Demonstrates common pitfalls to avoid: weak passwords, client-only auth checks, missing token expiration, and unvalidated password resets