What is Two-Factor Authentication?
Two-factor authentication adds a second layer of security to your online accounts. Verifying your identity using a second factor (like your phone or other mobile device) prevents anyone but you from logging in, even if they know your password.
Why Do I Need Two-Factor Authentication?
Passwords are increasingly easy to compromise. They can often be stolen, guessed, or hacked — you might not even know someone is accessing your account.
Two-factor authentication adds a second layer of security, keeping your account secure even if your password is compromised. With Duo, you'll be alerted right away (on your phone) if someone is trying to log in as you.
This second factor of authentication is separate and independent from your username and password — Duo never sees your password.