What you need to know
Duo is an iPhone/Android app that allows HMH to confirm your identity before granting remote access to your personal data and HMH systems.
How to Install Duo
You need to enroll a mobile phone (preferred), tablet or phone number with Duo to allow remote access.
Using Duo
When you attempt to log in remotely, you will receive one of three methods of authentication (choose your preferred method during enrollment):
