# Authorization of corporate users
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With WorkSpaces, directories are managed through the Directory Service. You can create a standalone, managed directory for users. Or you can integrate with your existing Active Directory environment so that your users can use their current credentials to obtain seamless access to corporate resources. For more information, see [Manage directories for WorkSpaces Personal](manage-workspaces-directory.md).

To further control access to your WorkSpaces, use multi-factor authentication. For more information, see [How to Enable Multi-Factor Authentication for AWS Services](https://aws.amazon.com/blogs/security/how-to-enable-multi-factor-authentication-for-amazon-workspaces-and-amazon-quicksight-by-using-microsoft-ad-and-on-premises-credentials/).