First, it is important to understand the security architecture of an instance of Analysis Services, including how Analysis Services uses Microsoft Windows Authentication to authenticate user access.

For More Information: Security Architecture

You must select an appropriate logon account for Analysis Services and specify the permissions for this account. You must make sure that the Analysis Services logon account has only those permissions that are necessary to perform necessary tasks, including appropriate permissions to the underlying data sources.

For More Information: Configuring the Logon Account for Analysis Services

Next you must secure the Analysis Services computer, the Windows operating system on the Analysis Services computer, Analysis Services itself, and the data sources that Analysis Services uses.

For More Information: Securing an Analysis Services Instance

As you set up and define authorized users for an instance of Analysis Services, you need to determine which users should also have permission to administer specific database objects, permission to view the definition of specified objects, or permission to access data sources directly.

For More Information: Configuring Access to Analysis Services