Vodacom handed my personal number to another customer.

Absolutely disgusting service from Vodacom. My employer purchased routers, laptops and sim cards from Vodacom for our business. He did RICA the sim cards on his name and we use it on our cellphones and as verification to our personal financial sites. I received a call from vodacom to say that a customer requested a sim swap for the number I'm using. I said it was ridiculous as I have been using this number for 4 years. The customer would have had to verify that she was the rightful user of this number to do a sim swap. I verified how much airtime I last filled etc. The Vodacom agent agreed and said that the information I provided was correct and assured me that this swap will definitely not go through and that I should RICA the sim on my name as soon as I can. Today I received an sms stating the swap will go through in 3 hours if I don't contact the customer care line. I called endlessly but no agent answered. Vodacom handed over my personal number which I had cellphone banking on and which I used as a verification tool to my financial sites at work meaning, work for me has paused because I have lost access to these sites. It's absolutely reckless. I'm sure businesses out there are not aware that this can happen.