Authenticator: A piece of data used to verify the claim of an identity. This could be a password, token, biometric feature, or other element associated with a specific user. In a broader sense, an authenticator can also refer to a device or software that generates or manages such authentication data, for instance, a hardware token that generates one-time passwords.
Categories: CC D3: Access Controls Concepts | CCSP D5: Cloud Security Operations | CISM D3: Information Security Program | CISSP D5: Identity and Access Management (IAM) | Security+ D1: General Security Concepts | SSCP D2: Access Controls
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