IBM z/OS TSS STIG Version Comparison
IBM z/OS TSS Security Technical Implementation Guide
There are 8 differences between versions v8 r2 (April 23, 2021) (the "left" version) and v8 r4 (Oct. 27, 2021) (the "right" version).
Check TSS0-OS-000160 was removed from the benchmark in the "right" version. The text below reflects the old wording.
This check's original form is available here.
The IBM z/OS systems requiring data at rest protection must properly employ IBM DS8880 for full disk encryption.
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.
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.
Employ IBM's DS8880 hardware to ensure full disk encryption.