NIST 800-53 rev.5/System and Communications Protection/883 of 1011
SC-51Hardware-based Protection
Control family: System and Communications Protection
Control description
a. Employ hardware-based, write-protect for [Assignment: organization-defined system firmware components]; and
b. Implement specific procedures for [Assignment: organization-defined authorized individuals] to manually disable hardware write-protect for firmware modifications and re-enable the write-protect prior to returning to operational mode.
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.