Understanding Authentication
Deep dive into authentication mechanisms and learn security best practices

Understanding Authentication
Authentication is a critical component of any secure application. Let's explore the fundamentals.
Basic Concepts
What is Authentication?
Authentication is the process of verifying the identity of a user or system.
Authentication Methods
1. Password-Based
The most common form where users provide a secret password.
2. Token-Based
Users receive a token after authentication, which they use for subsequent requests.
3. OAuth
Delegated authentication using third-party providers.
Security Best Practices
- Always use HTTPS
- Hash passwords securely
- Implement rate limiting
- Use secure session cookies
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