4.9: Log and Alert on Unsuccessful Administrative Account Login
CSF v1.1 References:
The next version of the control set incorporates all or part of this control into: 8.5: Collect Detailed Audit Logs.
Control Statement
Configure systems to issue a log entry and alert on unsuccessful logins to an administrative account.
[csf.tools Note: For more information on the Critical Security Controls, visit the Center for Internet Security.]