Articles about multifactor authentication at GVSU and DUO.
Instructional video for requesting access to Duo
Procedure and costs associated with ordering a Duo Hardware Token
Why Duo push is the best way to authenticate on your mobile device
Alternatives to using Duo on a smartphone
The why's and how's of Duo
Instructions on how to sign-up and activate your Duo account
Instructions for setting up Duo on a new mobile device