Someone is *****ing my airtime and data

Someone is *****ing my airtime and data. I have reported it.. It is urgent. My Anytime minutes are down from 254 to 0. Charges have been made to my billing usage. Loyalty airtime has dropped and droppping consistently. It will soon be 0. Data is dropping. I am not making phone calls. This is urgent. I have phoned 808, 1555, sent 3 emails to 3 departments, Twitter and FB. I need action taken immediately. This is a serious offence. Please treat it like that. I know you don't care about your customers, but please at least try do your job as per your \pride ourselves on excellent customer service"as per your website."""