How to Set Up Apple’s Authenticator App
By Rhett Intriago
Two-factor or multi-factor authentication is a way to keep your accounts secure. Everyone who values their security and privacy should have multi-factor authentication enabled for every online account that offers it. You can usually do this with either your phone number or an authenticator app. Luckily, your iPhone has a built-in Apple authenticator app. In this tip, I'll show you how to set up Apple's authenticator app on your iPhone.