Windows authentication is generally more secure in SQL Server databases than database authentication, since it uses a certificate-based security mechanism. … When the user connects to the database, the user is not required to enter a user name and password.

Which authentication mode is more secure?

Windows Authentication is the default authentication mode, and is much more secure than SQL Server Authentication.

Is SQL Server authentication secure?

SQL Authentication is less secure than Windows Authentication. In order to connect to SQL Server using SQL authentication, a person needs to provide a login and password when they connect. The password for a SQL Authenticated login is stored in the master database.