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2.3 Authentication Assurance Level 3

NIST PIV and digital identity SP 800-63B-4 against SP 800-63B
All changes in this version
added 2 Authentication Assurance Levels part of 2

Title changed

Before · SP 800-63B

After · SP 800-63B-4

Authentication Assurance Level 3

Control changed

Before · SP 800-63B

After · SP 800-63B-4

AAL3 provides very high confidence that the claimant controls authenticators that are bound to the subscriber account. Authentication at AAL3 is based on the proof of possession of a key through the use of a cryptographic protocol along with either an activation factor or a password. AAL3 authentication requires the use of a cryptographic authenticator with a non-exportable private key that provides phishing resistance. Approved cryptographic techniques are required.