The IBM z/OS systems requiring data at rest protection must properly employ IBM DS8880 for full disk encryption.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-224012	TSS0-OS-000160	SV-224012r561402_rule		Medium

Description
Information at rest refers to the state of information when it is located on a secondary storage device (e.g., disk drive and tape drive, when used for backups) within an operating system.

STIG	Date
IBM z/OS TSS Security Technical Implementation Guide	2021-03-30

Details

Check Text ( C-25685r516435_chk )
Determine if IBM's DS880 disks are in use. If they are not in use for systems that require data at rest, this is a finding.

Fix Text (F-25673r516436_fix)
Employ IBM's DS8880 hardware to ensure full disk encryption.