Auditing is one of the tools in your arsenal to learn about what has happened in your system. Has a hacker been in the system for months or years and nobody knew? Auditing happens after an event; therefore, a daily review of audit reports is critical to the safety of your system. Audits can be used to record events that happened on database objects, such as update, insert, delete, and select operations on tables; execution of PL/SQL code; logon information; and more.
You need to sit down and think about what actions you ...
