Passive security refers to the practice of logging user activity to avoid the threat of non-repudiation. This is important because if an attack is launched by a privileged user, it allows appropriate disciplinary or even legal action to be taken. SQL Server provides SQL Server Audit to assist with implementing passive security.
Understanding SQL Server Audit
SQL Server Audit offers DBAs the ability to capture granular information about activity at both the instance level and the database level. Audit logs can be saved to a file, the Windows Security log, or the Windows Application log. The location that the audit ...