> If the phone number is acting as the identity (like email for a lot of sites today) then no, that's not vulnerable to anything Email is hard to hack (you nee

> If the phone number is acting as the identity (like email for a lot of sites today) then no, that's not vulnerable to anything Email is hard to hack (you need a password, and possibly a second factor if the email account is properly secured). Phone numbers are easier to spoof using SIM swapping. See https://www.theverge.com/2019/8/31/20841448/jack-dorsey-twitter-hacked-account-sim-swapping https://www.theverge.com/2019/8/31/20841448/jack-dorsey-twit...