Using Security Views 
Use this predefined view if you need log information about the security features and processes in your SAP NetWeaver system.
Procedure
Open SAP NetWeaver Administrator.
Go to
Problem Management 
Logs and Traces Log Viewer 
.Choose
Show View Predefined Security and choose from the following views:Predefined Security Views Predefined View
Description
Archived Authentication Logs
Use this view if security archived logs exists on the file system.
More information:Predefined General Views – Log Archives (Java).
Authentication Logs
Shows all logs that give information about logging activities of users on the relevant system.
The default filter by content is set as follows: Category contains /System/Security/Authentication.
Authentication Traces
Shows all traces from a certain security location.
The default filter by content is set as follows: Location contains com.sap.engine....
Security Log (Java)
Shows all log written in security* files.
Choose Show Advanced Filter to set a filter criterion.
You can apply various types of filtering log records for these views.
More information: Filtering Logs and Traces