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Cornell University

Log In Using Two-Step Login

How to use Duo Push, a phone call, or a USB security key with Two-Step Login, plus “Trust this browser.”

This article applies to: Two-Step Login

To improve data security, Cornell has disabled Duo Mobile Passcodes. Plan to use one of the remaining authentication methods going forward.

When you log in to a Cornell service that requires Two-Step Login, an authentication method will be triggered, allowing you to confirm your identity. 

  1. The Duo prompt will appear, usually triggering the authentication method you most recently used.  For example, the prompt screen for a Duo Push authentication looks like this:

    Duo Universal Prompt screen showing Trust browser checkbox after the Other Options link and before the Need help link

    To authenticate your login, respond as appropriate. Preferred methods include:

While waiting for you to complete authentication, the Universal prompt will display one of the following screens:

Additionally, the following passcode alternatives continue to be available:

  1. If you would like to use a different authentication method than the one shown on the current Duo prompt, click Other options. This opens a list of other available options. (Which options are shown depends on the device you have enrolled.)

    The Other options to log in panel shows available authentication methods for the devices you have set up.

    (For some campus IT services that don't support a web interface, you may have to log in using append mode authentication, or using a second password field.)  
  2. If you check Trust browser, Duo will remember your login on the current device and browser session for up to 24 hours.

Support Contact:

Cornell IT Service Desk

Normal Business Hours: Monday-Friday, 8am-6pm (Eastern Time)
Emergency Service Disruptions: After Hours Support


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