If you need to manage your Duo devices, reactivate Duo on a device or request a temporary Duo code, please contact your local IT support group or the Service Desk.
Increase in OSU accounts compromised compared to previous three years.
Duo Mobile is now available to anyone with an OSU Login.
Strong passwords are essential, but they aren't enough. Phishing attacks and data breaches put your account at risk. Duo Mobile provides extra security for your OSU Account with two-step login.
Login to manage your Duo-enabled device or hardware token.
Get a new phone? Use this service to reactivate Duo.
Generate a temporary Duo code in advance for use in situations where you may not have access to your Duo device or token, such as a proctored exam, or before you run out of phone battery.
With two-step login, anyone trying to access your account must provide two forms of ID:
Some services and websites refer to this as two-step authentication, two-step verification, multifactor authentication, or login verification.
The difference between the "normal" OSU login screen and the two-step login screen is shown here.