You can grant or deny users access to a file share from the User Control Console.
1) Click on Departments at the top
2) Click on the Department you want togrant or deny access to
3) Click on the Edit button
4) Click on the check boxes next to the names of users who you want to add to the group and click on the Confirm button
All users who are a member of the Department have read and write access to the File share.