Topic Status: Some information in this topic is preview and subject to change in future releases. Preview information describes new features or changes to existing features in Microsoft SQL Server 2016 Community Technology Preview 2 (CTP2).
This page provides links to help you locate the information that you need about security and protection in the SQL Server Database Engine and Azure SQL Database.
Authentication: Who are you?
Authorization: What can you do?
Encryption: Storing Secret Data
Connection Security: Restricting and Securing
Auditing: Recording Access
Granting, Revoking, and Denying Permissions