Security: User Activities Monitoring: SM20

 As Basis administrator, you would like to trace all the activities of certain login and this can be achieve with the TCODE: SM20

Steps:

1) Execute "SM20"

2) Enter and select the relevant details and click "Reread Audit Log" button

3) All the detail activities of the particular login will be shown. This TCODE could be used along with ST01 to even further narrow down on the level of object activities (How to troubleshoot SAP authorization issue) for further investigation.