API security
Bearer Token
A bearer token is a token that grants access to whoever presents it successfully.
Definition
A bearer token is an access artifact that can be used by any party that possesses it and presents it correctly to the resource server. Because possession alone is sufficient, its security depends heavily on transport protection, storage hygiene, short lifetime, and monitoring.
The Ariovis perspective
Tokens are part of an access architecture, not a substitute for identity governance or authorization. Their scope, lifetime, validation and revocation must match the risk of the API and user journey.
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