This article gives a high-level understanding of dynamic data masking in SQL Server along with its use cases, best practices and security implications for advanced SQL users (including developers and testers). Additionally, the readers of this article are going to get familiar with applying different types of dynamic data masking. The article also highlights the importance of advanced-level use of data masking in day-to-day database development and testing tasks.
The article introduces the basics of dynamic data masking (DDM) in SQL Server along with its overview supported by a simple example of data masking implementation. Additionally, the readers are going to get familiar with the benefits of dynamic data masking. This paper also highlights the importance of data masking in day to day database development tasks when some fields must be masked due to their sensitive nature in order to comply with standard practices.