Definition:OAuth 2.0
OAuth 2.0 is an industry-standard authorization framework allowing third-party applications to access user resources without exposing user credentials.
Detailed Technical Explanation
Business Perspective
OAuth enables secure Single Sign-On (SSO) for corporate software platforms, reducing password management overhead.
Technical Perspective
OAuth authorization code flow with PKCE (Proof Key for Code Exchange) protects client applications from code interception attacks.
Real-World Example
Users clicking 'Sign in with Google' to authenticate into enterprise software without typing a password.
Common Architectural Mistakes
- ✗Implicit Grant Flow Usage: Using deprecated OAuth implicit grant flows instead of authorization code with PKCE.
Ecosystem Integration
Engineering Services & Solutions
Technology Hub
Frequently Asked Questions
What is the difference between OAuth and SAML?
OAuth 2.0 is a modern JSON/REST authorization protocol, whereas SAML is an older XML-based identity federation standard.
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