Duo is the multi-factor authentication (login) tool TU faculty and staff use to prevent security breaches when logging in to applications containing sensitive information. Use your NetID Management tools to enroll in Duo.
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Articles (2)

Pinned Article Set Up, Activate, and Use Duo for Your Account

Duo adds an additional layer of security when you sign in to a TU system by requiring the use of a second device such as a smartphone or landline. Various ways to authenticate using these devices include Duo Push or Passcode.

Using Duo on a Shared Guest Account

Using Duo with a Shared Guest Account