First, download the Microsoft Authenticator app, which is available for iOS and Android, and log in. Select the Security tab, then on the next page you'll see an option to select Two-Factor ...

Learn how Two-Factor Authentication (2FA) strengthens online security by requiring two forms of verification. Discover real-world examples and tips for effective use.

A million two-factor authentication codes sent via SMS passed through an obscure third-party company. Here's how it happened and why it's a problem.

Our two-factor authentication system is expanding because text messages and e-mailed codes are becoming less secure. Also, we’re committed to making sure your log-in process is more of a hassle ...

Multi-factor authentication (MFA) adds an extra layer of protection to your accounts. Instead of relying only on a password, MFA requires you to verify your identity using two or more methods.