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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-224028 TSS0-OS-000320 SV-224028r561402_rule Medium
Description
Operating systems handling data requiring "data at rest" protections must employ cryptographic mechanisms to prevent unauthorized disclosure and modification of the information at rest. Selection of a cryptographic mechanism is based on the need to protect the integrity of organizational information. The strength of the mechanism is commensurate with the security category and/or classification of the information. Organizations have the flexibility to either encrypt all information on storage devices (i.e., full disk encryption) or encrypt specific data structures (e.g., files, records, or fields). Satisfies: SRG-OS-000404-GPOS-00183, SRG-OS-000405-GPOS-00184
STIG Date
IBM z/OS TSS Security Technical Implementation Guide 2021-03-30

Details

Check Text ( C-25701r516483_chk )
Determine if IBM's DS880 Disks are in use.

If IBMs DS880 Disks are not in use for systems that require "data at rest", this is a finding.
Fix Text (F-25689r516484_fix)
Employ IBM's DS8880 hardware to ensure full disk encryption.