> The problem is when a phone number is the only factor that is used. That is what Twitter allows. that's not true. i have twitter 2FA inside authy[0] AND insi

> The problem is when a phone number is the only factor that is used. That is what Twitter allows. that's not true. i have twitter 2FA inside authy[0] AND inside twitter's own app (it's hidden -- at least on android -- under setting and privacy -> account -> security -> login verification -> Login Code Generator) [0] https://authy.com/guides/twitter/ https://authy.com/guides/twitter/