unauthorised debit order

just recently moved to fnb, i opened a cheque and took out funeral cover. I haven't been with the bank that long but already an unauthorised debit went of in Dec i think on 29 Dec from procall(who are they). i am very frustrated because i have no accounts on my name i'm newly employed but fnb has been negligent with my personal information. why do you share our information with 3rd party if it only takes having my ID for them to get permission to debit from my account. and the whole reversing is just making me mad, first its the banks problem for allowing a company i don't know to debit but i have to clean up the mess. i'm starting to think i made a mistake coming to fnb, just waiting for another unauthorised debit and i'll be leaving the bank.