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NIST 800-53 rev.5

NIST 800-53 rev.5/Access Control/75 of 1011

AC-07 (04)Unsuccessful Logon Attempts | Use of Alternate Authentication Factor

Control family: Access Control

Control description

(a) Allow the use of [Assignment: organization-defined authentication factors] that are different from the primary authentication factors after the number of organization-defined consecutive invalid logon attempts have been exceeded; and

(b) Enforce a limit of [Assignment: organization-defined number] consecutive invalid logon attempts through use of the alternative factors by a user during a [Assignment: organization-defined time period].

How to implement

Coming in phase 2Step-by-step guidance for implementing this control on Microsoft Azure, using services such as Azure Policy, Microsoft Defender for Cloud and Entra ID. It will be matched to your environment.