We’ve written many times about two-factor authentication (2FA) on this blog, and why it’s essential to protect your accounts in this way. When you set up 2FA, most services send you a code by SMS by default, but many services also allow you to use a 2FA app, which you can run on your Mac, your iOS device, or even your Apple Watch. In this article, I’m going to explain why you should use an app like this, and I’m going to discuss three such iOS apps: Google Authenticator, Authy, and 1Password.
Read the rest of the article on The Mac Security Blog.