What are the potential security concerns when using JWTs for authorization?

  • JWTs are immune to data tampering
  • JWTs are not suitable for mobile applications
  • JWTs are not transport layer agnostic
  • JWTs are vulnerable to replay attacks
When using JWTs for authorization, potential security concerns include vulnerability to replay attacks. Since JWTs are self-contained, there's a risk of an attacker reusing a valid token to impersonate a user or gain unauthorized access. Implementing proper measures to prevent replay attacks is crucial when using JWTs in an authentication and authorization system.
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