About two-factor authentication

Learn more at: uwaterloo.ca/2fa

How it works

Once you’ve opted-in to DUO 2 factor authentication (2FA), logging in to supported services is as simple as accepting the notification on your phone, or entering a PIN from a text message, phone call or token. To log in with DUO 2FA:

  1. Enter your password as usual.

  2. Use your phone, token or YubiKey to verify your identity.

  3. You are securely logged in.

Why do I need this?

Passwords are increasingly easy to compromise. They can often be stolen, guessed, or hacked — you could be locked out of your account, or you might not even know someone is accessing it.

Two-factor authentication adds a second layer of security, keeping your account secure even if your password is compromised. With 2FA, you'll be alerted right away (on your phone) if someone is trying to log in as you.

System requirements

Download the Duo Mobile app

Learn more

Visit the University's 2FA website to learn more, or watch this previously recorded 2FA seminar.

For more information regarding how to add and remove devices to for DUO, take a look at the DUO device management instructions

Need help?

Contact the IST Service Desk online or 519-888-4567 ext. 44357.

Article feedback

If you’d like to share any feedback about this article, please let us know.