NIST 800-53 rev.5/Configuration Management/258 of 1011
CM-07 (04)Least Functionality | Unauthorized Software — Deny-by-exception
Control family: Configuration Management
Control description
(a) Identify [Assignment: organization-defined software programs not authorized to execute on the system];
(b) Employ an allow-all, deny-by-exception policy to prohibit the execution of unauthorized software programs on the system; and
(c) Review and update the list of unauthorized software programs [Assignment: organization-defined frequency].
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.