The CA-TSS PTHRESH Control Option must be set to 2.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-223879 | TSS0-ES-000060 | SV-223879r561402_rule | Medium |
| 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. |
| STIG | Date |
|---|---|
| IBM z/OS TSS Security Technical Implementation Guide | 2020-10-07 |
Details
| Check Text ( C-25552r516036_chk ) |
|---|
| From the ISPF Command Shell enter: TSS MODIFY STATUS If the PTHRESH Control Option value is not set to PTHRESH(02), this is a finding. |
| Fix Text (F-25540r516037_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. PTHRESH(02) |