OpenID Connect builds on OAuth 2.0 to provide standardized authentication for modern applications. Learn how OIDC unifies authentication and authorization, when to use it over SAML, and how to implement it securely.
SAML enables enterprise SSO across organizational boundaries, but its XML complexity and browser-centric design reveal both strengths and limitations. Learn when SAML excels and when modern alternatives fit better.
Single Sign-On promises one login for everything, but the path from Windows authentication to modern OAuth flows reveals decades of security evolution. Understand when to use each protocol and avoid authentication pitfalls.