How to register your Yubikey for Multifactor Authentication
[U2F is only supported in Chrome or Firefox browsers]
>Log into https://katmai.okta.com
If you have not setup a Multifactor Authentication method yet
> Click the "Setup" button.
> Go through the prompts to register the security key and set it up.
> Once completed, click the "Done" button.
If you have already setup a Multifactor Authentication method
> First login with your previous authentication method.
> Click on your name in the top right corner, then click "Settings"
> Under Settings, find Extra Verification and click "Setup" next to Security Key (U2F).
> Make sure your Yubikey is inserted into a USB slot on your computer.
> Press the gold "Y" symbol on the Yubikey itself.
> You should see a toast banner at the top that says it was successfully registered.