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

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-98763	TSS0-OS-000310	SV-107867r1_rule		Medium

Description
Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data. The operating system must implement cryptographic modules adhering to the higher standards approved by the federal government since this provides assurance they have been tested and validated.

STIG	Date
IBM z/OS TSS Security Technical Implementation Guide	2020-06-29

Details

Check Text ( C-97599r1_chk )
Determine if IBM's DS880 Disks are in use. If IBM DS880 Disks are not in use for systems that require data at rest, this is a finding.

Fix Text (F-104439r1_fix)
Employ IBM's DS8880 hardware to ensure full disk encryption.