NIST 800-53 rev.5/System and Communications Protection/778 of 1011
SC-07 (19)Boundary Protection | Block Communication from Non-organizationally Configured Hosts
Control family: System and Communications Protection
Control description
Block inbound and outbound communications traffic between [Assignment: organization-defined communication clients] that are independently configured by end users and external service providers.
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.