Create two GPOs one set to deny read and write for removable media.
Create a second GPO that applies after the deny all that is targeted to a AD group and make sure the GPO settings are User config and not computer config.
Create two GPOs one set to deny read and write for removable media.
Create a second GPO that applies after the deny all that is targeted to a AD group and make sure the GPO settings are User config and not computer config.