20 points
I think he was meaning because of how easy it is to spoof and intercept sms. Use some thing like OTP that’s a common standard instead.
7 points
4 points
Ah I see, yes app/web OTP is one of the best methods, unless people are calling to report the app/website not working (a workflow I’ve seen many times) The industry has put hundreds of millions into voice recognition but the sample size required for AI to trick voicerec is really low now.