MTN ****

On Tuesday 22 May 2018 I received a call at 16h50 from a person who claimed to be phoning from MTN from number ********** 247 stating that somebody was trying to get a sim swop on my account. If I wanted to stop this I had to send the OTP number back to them. I only did this once but the person kept on phoning back wanting me to type in further OTP numbers which I could not do at the time. On the tenth call they also requested a second MTN number to send details to which I told him that I could not provide. I then received smses stating that R2.00 had been transferred to ********** 1973, R100.00 transferred to ********** 6552, R50 to ********** 552, R20 to ********** 6552 and 2998 MTN Loyalty points to ********** 8542. I immediately phoned MTN to report this and immediately a pin was created to protect my account and I was advised that because I am on a contract the ******* cannot do anything on my account. The reference number is 1- ********** 7490. This is really concerning that the ******** have all the relevant information of how the system works and seems as though it could be an inside job as the smses looked authentic. I definitely cannot afford to pay for anything on my account that I don't personally use. I really think that MTN should send out messages to their clients advising them of the latest **** tricks. How on earth do they manage to obtain a persons details.