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Authenticator Assurance Level (AAL)

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Authenticator Assurance Level (AAL)

A measure of the strength of an authentication mechanism and, therefore, the confidence in it, as defined in [NIST SP 800-63-3] in terms of three levels: AAL1 (Some confidence), AAL2 (High confidence), AAL3 (Very high confidence).

Source: FIPS 201-3 | Category:

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