Two-Factor: Methods of Authentication

There are many different ways you can authenticate with Duo, learn about them here and choose which is the best for you.

Methods Available

Push Notifications (via Duo Mobile) Best Overall

Generated Codes (via Duo Mobile)

Call or Text

Duo Token Great backup option; good for travelers

USB Security Key¹ ² Best security; good for travelers 


¹Cannot be your only method of authentication.
²Only works with Google Chrome and Microsoft Edge.

Methods Comparison


Push NotificationsGenerated CodesCall or TextDuo TokenSecurity Key
Usable w/o internet?Red error signGreen check markGreen check markGreen check markGreen check mark
Usable w/o cell reception?Green check markGreen check markRed error signGreen check markGreen check mark
Usable w/o phone?Red error signRed error signRed error signGreen check markGreen check mark
RequirementsDuo Mobile
iOS/Android
Duo Mobile
iOS/Android
N/APurchasePurchase

Questions?

If you have any additional questions or problems, don't hesitate to reach out to the Help Desk!

Phone: 610-526-7440 | Library and Help Desk hours
Email: help@brynmawr.eduService catalog
Location: Canaday Library 1st floor