Duo Two-Factor Authentication

Duo Two-Factor Authentication by Duo Security

Every user can authenticate even when they’re offline, with mobile apps, or just landlines. Users can also have multiple devices, and choose their preferred method during login.
Different methods are available for different business situations.


Different methods are:
  • Duo Mobile One-Tap Authentication. With our free mobile app for your smartphone, you can authenticate via push notifications. Just one tap lets you approve a request.
  • SMS Passcodes No Internet? No Problem. Receive passcodes on your phone by text message, and authenticate by typing them into your secondary login prompt.
  • Phone Callback No Texts Either? No Problem.Duo will call your cell phone, landline or car phone. All you need to do is answer and press a key to quickly authenticate.