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ISC2 Systems Security Certified Practitioner (SSCP) Practice Question

A development team is building a customer-facing web application on AWS. Corporate security policy requires users to authenticate through a third-party OpenID Connect (OIDC) provider; the app must receive a cryptographically signed token containing user profile claims for personalization; and backend APIs will validate the token's signature by retrieving the provider's JSON Web Key Set (JWKS). Which OIDC flow best satisfies these requirements while following current best practice?

  • Use the OIDC Authorization Code flow so the application exchanges an authorization code at the token endpoint and receives a signed ID token containing user profile claims.

  • Use the OIDC Implicit flow so the browser receives an unsigned access token that the backend forwards to the APIs.

  • Use the OAuth 2.0 Resource Owner Password Credentials grant so the application can obtain a refresh token and store the user's password for reuse.

  • Use the OAuth 2.0 Client Credentials grant so the backend requests an opaque bearer token directly from the identity provider.

ISC2 Systems Security Certified Practitioner (SSCP)
Access Controls
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