Support every user, everywhere
From online to offline, mobile apps to landlines to tokens. Users can have multiple devices and choose their method during login.
|Duo Push||Duo Mobile Passcodes||SMS Passcodes||Phone Callback||Hardware Tokens|
|Description||Duo sends a login request to your phone. Just tap Approve to authenticate.||Generate passcodes with Duo’s free mobile application.||Receive a batch of passcodes via SMS.||Duo calls your phone. Just press any key to authenticate.||Use the passcode generated on your hardware token.|
|Platforms||Duo Push platforms, as well as Palm, Windows Mobile, and J2ME/Symbian||All phones with SMS||All phones||YubiKeys and all OATH-compliant tokens|
Store a batch for offline use
Always free for all customers.
We never charge for our mobile applications or authentication methods.
Phone calls and SMS messages use your account’s telephony credits.
Most paid accounts include 100 credits/user/mo.
|Buy hardware tokens from us, or import your own for free.|
Choose Duo Push to get a login request sent to your phone. Then just review the details and tap Approve to log in.
No phone calls to wait for or passcodes to type.
Our free mobile application lets you respond to Duo Push notifications.
You can also generate one-time passcodes for login, even without an internet connection (great for airplanes!).
Getting a passcode via SMS is an easy and straightforward way to authenticate.
Duo can also send a batch of passcodes, providing a fallback for times when your phone doesn’t have cell reception.
Duo will call your cell phone, landline, or car phone. Just press a key to quickly authenticate.
It’s not sexy but it works!
The 90’s called — they want their tokens back.
But seriously: Duo supports all 6- and 8-digit OATH-compliant tokens. Buy hardware tokens from us, or import your own for free.
We also support YubiKeys!