IntermediatePhone
2 min
OAuth2 vs SAML
AuthenticationSecuritySSO
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Interview Question
Compare OAuth2 and SAML for authentication and authorization scenarios.
Key Points to Cover
- OAuth2: token-based, modern, JSON/REST, widely used for APIs
- SAML: XML-based, older, suited for enterprise SSO between orgs
- OAuth2 ≠ authentication; OpenID Connect extends OAuth2 for login
Evaluation Rubric
Explains OAuth2 concepts34% weight
Explains SAML usage33% weight
Distinguishes scenarios correctly33% weight
Hints
- 💡OIDC vs OAuth2 can be a follow-up here.
Potential Follow-up Questions
- ❓When is SAML still preferred?
- ❓How do refresh tokens work in OAuth2?
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