Windows Authentication is the default authentication mode when installing a SQL Server instance. It can also be backed up and restored with a database backup which is why it is less secure than using Windows authentication.
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Because the password is stored in a SQL database, it is more easily hacked. The password for a SQL Authenticated login is stored in the master database. In order to connect to SQL Server using SQL authentication, a person needs to provide a login and password when they connect. SQL Authentication is less secure than Windows Authentication. Windows authentication works great when a person is part of a Windows domain.īut there are times when people can’t connect to Windows this is where SQL authentication comes in. Windows authentication is tightly coupled with Windows Security and is also known as Integrated Security. That is, provided their Windows account has been granted access to SQL Server via a login (more on logins later). Once a user has been authenticated to Windows, they can then connect to SQL Server using Windows authentication. Windows authentication requires a user to first authenticate to Windows with their login and password. There are two different authentication methods for connecting to SQL Server: Windows and SQL Server. This article starts with a few foundation topics of SQL Server security: SQL Server Authentication methods, logins and database users.
SQL Server security is a vast topic that cannot be covered in a single article.
Setting up and managing SQL Server security is an important part of building and maintaining your SQL Server environment. SQL Server authentication methods, logins, and database users - Simple Talk Skip to content