SC-51 Hardware-based Protection
System and Communications Protection
New in Rev 5
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.
Supplemental Guidance
None.
Changes from Rev 4
New control in Rev 5.
Compliance Mappings
NIST CSF 2.0
PR.PS-03
RBI CSF
Annex1.5