Chaz Dean Studio review: Billing my Credit Card

I ordered from GRC a Wen Hair product so I could get a cheaper Norton Virus Protection and today I found unauthorized charges on my account. I dont know what to do or how to reach these scamers as they will proceed to keep billing me. I dont know why anyone doesnt put stop to this online fraud we have these protected and secure banking systems but it doesnt seem to be working. Please if anyone knows how to reach them or put a stop to this let me know because I know GRC is the last time Im buying from them.