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Students (undergrad and grad), co-op students, and contract staff, retirees and alumni can purchase a yubikey/U2F (Universal 2nd Factor) on their own via Amazon or another vendor. Once the yubikeyYubiKey/U2F token has been purchased, they can program it themselves: https://uwaterloo.atlassian.net/wiki/spaces/ISTKB/pages/262013138303894516/Duo+device+management+instructions?src=search#Add+two-factor+authentication+overview+and+instructions#Add-a-Security-Key
Returning Tokens
When a faculty member/staff leaves, they need to return their token. Either return the token to one of the IST Service Desks in DC or DP, or mail it internally to Chao Yang at EC2 2108C.
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