Authentication Deep Dive
Understand how modern authentication and authorization systems work under the hood. You'll explore OAuth, JWTs, session management, and identity providers.
7 lessons
Authentication Fundamentals
Understand how authentication proves user identity through different factors and methods.
OAuth 2.0 In Depth
Master OAuth 2.0 flows, understand the terminology, and learn when to use each grant type for secure delegated authorization.
OpenID Connect
Learn how OpenID Connect adds an identity layer to OAuth, enabling standardized authentication with ID tokens.
JWT Deep Dive
Understand JWT structure, learn proper validation techniques, and avoid common security pitfalls with JSON Web Tokens.
Identity Providers and Services
Explore identity provider options from Auth0 to Firebase, and learn how to choose the right authentication service for your needs.
Multi-Factor Authentication
Implement MFA using TOTP, hardware keys, and other methods while balancing security with user experience.
Session Management
Learn secure session handling patterns including token refresh, multi-device support, and proper session storage strategies.