The CA-TSS NPPTHRESH Control Option must be properly set.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-223878 | SRG-OS-000021-GPOS-00005 | TSS0-ES-000050 | SV-223878r958388_rule | 2026-03-09 | 9 |
Description
By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-force attacks, is reduced. Limits are imposed by locking the account.
ℹ️ Check
From the ISPF Command Shell enter:
TSS MODIFY STATUS
If the NPPTHRESH Control Option value is not set to NPWRTHRESH(02), this is a finding.
✔️ Fix
Evaluate the impact associated with implementation of the control option. Develop a plan of action to implement the control option setting as specified following and proceed with the change.
NPPTHRESH(02)