Requirement
[A: M | B: M] Cybersecurity requirements for backup management must be defined, documented and approved, covering at minimum:
Sub-Controls
2-9-1-1
Requirement: [A: M | B: M] Performing backups of critical business systems periodically.
2-9-1-2
Requirement: [A: M | B: M] Periodic testing to verify the effectiveness of backup restoration.