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What are scopes in OAuth 2.0 and how do they enhance security?

Explain the concept of scopes in the OAuth 2.0 framework and their importance in defining the access level for tokens.

#oauth#security#authentication#authorization

Answer

Scopes are permissions defined by the resource server that specify what resources an access token can access.

  1. They limit the access granted to applications, allowing users to know exactly what data will be accessed.
  2. Scopes can help enforce the principle of least privilege by only allowing access to the minimum required resources.
  3. They facilitate better granularity in API access control, promoting security and user trust.

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