Security
Authentication
Authentication (AuthN) is the security check that verifies who a user or service is (identity verification).
Diagram
User (Inputs password) ──▶ [Authentication Check] ── Valid? ──▶ Issuing Token (JWT)
In Depth
Authentication is the security process of verifying the identity of a client attempting to access a system. It answers the question: 'Who are you?'.
Related Terms