This article explains how to turn on iCloud two-factor authentication to protect your Apple ID/Apple Account from theft, hacking, and other misuses by unauthorized parties.

First, download the Microsoft Authenticator app, which is available for iOS and Android, and log in. Select the Security tab, ...

In other words, you need to know how to turn on two-factor authentication for iPhone. To bolster your security, open up the Settings page within your account and follow these steps.

That’s why you need to enable two-factor authentication on your most important online accounts, including email, financial and social media.