The CA-TSS PPEXP Control Option must be properly set.

Severity
Group ID
Group Title
Version
Rule ID
Date
STIG Version
mediumV-223889SRG-OS-000076-GPOS-00044TSS0-ES-000160SV-223889r1038967_rule2025-03-119
Description
Any password, no matter how complex, can eventually be cracked. Therefore, passwords need to be changed periodically. If the operating system does not limit the lifetime of passwords and force users to change their passwords, there is the risk that the operating system passwords could be compromised.
ℹ️ Check
From the ISPF Command Shell enter: TSS MODIFY STATUS If the PPEXP Control Option will conform to the following requirements, this is not a finding. PPEXP(60)
✔️ Fix
Configure the PPEXP Control Option value to conform to the following requirements. PPEXP(60) Example: TSS MODIFY PPEXP(60)