Make sure your USB security key is inserted into a USB port on your computer. When this happens, you will see a prompt like this in your browser: To prepare for the change, first make sure the browser you use when authenticating has been updated:Ĭhrome version 70 or later on Windows or macOSįirefox version 60 or later on Windows or macOSīeginning in mid-January, during an authentication request, you can expect Duo to prompt you to update your USB security key. In short, you can continue to use your USB security key after a quick update. This update will affect Cornell users whose Two-Step Login process is set up to use U2F security keys. To accommodate this change, Duo, the vendor that supports the Two-Step Login service, will move to a different security protocol in mid-January 2022 called WebAuthn. This technology has been used for USB security keys (hardware tokens), such as those used with Cornell Two-Step Login. Google has announced it will end support for the U2F authentication standard in Chrome.
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