Hide fields on Account from users in Customer Portal

Hide fields on Account from users in Customer Portal

We had an account email in because they were concerned over some information that we store on the account record that should not be visible to their employees. The information is account level info that when our support reps are working with the customer, we would ideally want to be visible. 

Is it possible to prevent Customer portal users from seeing certain account info?
                New to ADManager Plus?

                  New to ADSelfService Plus?