The IBM z/VM JOURNALING LOGON parameter must be set for lockout after 3 attempts for 15 minutes.

From IBM z/VM Using CA VM:Secure Security Technical Implementation Guide

Associated with: CCI-000044

SV-93553r1_rule The IBM z/VM JOURNALING LOGON parameter must be set for lockout after 3 attempts for 15 minutes.

Vulnerability discussion

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.

Check content

Display the System Configuration File. If the “JOURNALING” statement is set to: Facility ON LOGON Lockout after 3 attempts for 15 minutes, this is not a finding. Issue "QUERY JOURNAL" command. If the response is as follows this is not a finding: Journal: LOGON-on

Fix text

Configure the System Configuration “JOURNALING” statement to: Facility ON LOGON Lockout after 3 attempts for 15 minutes.

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