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NIST SP 800-63B

NIST Special Publication 800-63B-4: Authentication and Lifecycle Management

Description: These guidelines focus on the authentication of subjects interacting with government systems over open networks, establishing that a given claimant is a subscriber who has been previously authenticated. The result of the authentication process may be used locally by the system performing the authentication or may be asserted elsewhere in a federated identity system. This document defines technical requirements for each of the three Authentication Assurance Levels (AALs).

Identity Scope:

FICAM Services Alignment:

Publication Date: 2022-12-16

Fiscal Year: 2022

Authorized by:

Authored by:

Items Authorized by NIST SP 800-63B

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