Understanding the SQL Server Audit

Using the SQL Server Audit Feature to Audit Different Actions

Creating a SQL Server audit using SQL Server Extended Events and Triggers

SQL Server database auditing tools

Creating a successful auditing strategy for your SQL Server databases

Server Auditing Best Practices: Windows, SQL, and File Server Auditing - DNSstuff

SQL Server Security Checklist

8 SQL Server Security Best Practices & Tips - DNSstuff

SQL Server Security Vulnerability Assessment Tool in SSMS 17.4