The IBM z/VM JOURNALING LOGON parameter must be set for lockout after 3 attempts for 15 minutes.
An XCCDF Rule
Description
<VulnDiscussion>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.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-237900r858930_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Configure the System Configuration "JOURNALING" statement to:
Facility ON
LOGON
Lockout after 3 attempts for 15 minutes or 0 if system administrator action is desired.