How to activate two-step verification for your Apple ID, on an iPhone or iPad
Two-step verification or two-step authentication is a second layer of security that you can add to your online accounts, to stop hackers from breaking in, even if they know your password. Not all companies offer this security feature but, fortunately, Apple is one of them. If you have an Apple ID, you can use your iPhone, iPad or Mac to enable two-factor authentication for your Apple ID and be safer.