Pray your number is never ****** by *****sters when you with MTN

I'm very disappointed with MTN as it can not safe guard its clients, as I stand MTN can not block my number from being used by ****ers who are busy sending opts to themselves in order to open various accounts in my name. I keep reversing swim swaps between myself and ****ers and they seem to be unable to even block my number even after countless interactions with them. My life is in the hands of ****ers now. Like what kind of company can't even block their own number we are not safe