Family Plan - Ackermans

I had a look at my statement in December and saw a family plan of R65 debited to my account since September 2019. I never gave authorization fir this. Phoned them this morning and Ashmonay told me that she will cancel from her side with a 30 day notice. Meaning i will still have to pay another R65 and they are not prepared to give me the monies back. I have to do a dispute get police affidavit, certified ID etc. They cannot check from their side who has given authorization for this. Now i mus waist my time to sort out their problems. How do we solve this? How can they just sign a person up !!! My last question is how many people get caught like this and just say yes ok just cancel the policy and somewhere somebody is making money..........