Data Leak on your servers of users

I added phone number in Call of Duty warzone as it asks for number for playing.
After an hour I got a spam sms

Hi, enjoy the game with 25 dollars for free go to V4.rocks/…take this. good luck

I have screenshot but forum doesn’t allow me to add screenshot.

Why is people’s data being put at risk in your servers? Or are you selling this data to advertisers?