Knowledge Base: Public
Category: Information Security / Duo (Multi-Factor Authentication)
KB0003033
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v12.0
(Outdated)
40.0 - Last modified on 2025-04-29 Revised by Tobi Paton
39.0 - Last modified on 2025-02-25 Revised by Noah Chang
38.0 - Last modified on 2025-02-25 Revised by Tobi Paton
37.0 - Last modified on 2025-02-25 Revised by Walter Allen
36.0 - Last modified on 2025-02-25 Revised by Walter Allen
35.0 - Last modified on 2025-02-13 Revised by Walter Allen
34.0 - Last modified on 2025-02-13 Revised by Walter Allen
33.0 - Last modified on 2025-02-13 Revised by Stephanie Holmes
32.0 - Last modified on 2025-02-13 Revised by Stephanie Holmes
31.0 - Last modified on 2025-02-12 Revised by Noah Chang
30.0 - Last modified on 2025-02-11 Revised by Tobi Paton
29.0 - Last modified on 2025-02-11 Revised by Iris Chelaru
28.0 - Last modified on 2025-02-09 Revised by Iris Chelaru
27.0 - Last modified on 2025-02-07 Revised by Tobi Paton
26.0 - Last modified on 2025-02-07 Revised by Noah Chang
25.0 - Last modified on 2025-02-07 Revised by Tobi Paton
24.0 - Last modified on 2025-02-07 Revised by Tobi Paton
23.0 - Last modified on 2025-02-07 Revised by Noah Chang
22.0 - Last modified on 2025-02-06 Revised by Edgar Nunez
21.0 - Last modified on 2025-02-06 Revised by Walter Allen
20.0 - Last modified on 2025-02-06 Revised by Edgar Nunez
19.0 - Last modified on 2025-02-06 Revised by Noah Chang
18.0 - Last modified on 2025-02-05 Revised by Noah Chang
17.0 - Last modified on 2025-02-05 Revised by Tobi Paton
16.0 - Last modified on 2025-02-05 Revised by Tobi Paton
15.0 - Last modified on 2025-02-05 Revised by Tobi Paton
14.0 - Last modified on 2025-02-05 Revised by Walter Allen
13.0 - Last modified on 2025-02-04 Revised by Edgar Nunez
12.0 - Last modified on 2025-02-04 Revised by Walter Allen
11.0 - Last modified on 2025-02-03 Revised by Walter Allen
10.0 - Last modified on 2025-02-03 Revised by Walter Allen
9.0 - Last modified on 2025-02-03 Revised by Walter Allen
8.0 - Last modified on 2024-10-11 Revised by Stephanie Holmes
7.0 - Last modified on 2024-08-06 Revised by Stephanie Holmes
6.0 - Last modified on 2024-04-03 Revised by Tobi Paton
5.0 - Last modified on 2024-02-21 Revised by Tobi Paton
4.0 - Last modified on 2024-02-21 Revised by Tobi Paton
3.0 - Last modified on 2024-02-21 Revised by Tobi Paton
2.0 - Last modified on 2023-11-16 Revised by Logan Hill
1.0 - Created on 2018-06-29 Authored by IET
* Recent Announcement *
As text messages and phone callbacks will no longer be available for Duo after February 15, we understand the need for information on additional options, such as hard tokens, especially for those who may not have access to a smartphone or have other accessibility needs.
About Security Keys
FIDO2 compliant security keys are recommended. The Information Security Office (ISO) recommends the following two models:
YubiKey 5C NFC YubiKey 5 NFC
Access to Security Keys
The UCD Bookstore plans to sell the YubiKey security devices. These devices can also be purchased from the Aggie Enterprise CDW-G and Amazon Punchout.
Support Options
Students may contact the Student Disability Center (sdc@ucdavis.edu
Faculty may contact their department chair
Staff may contact their supervisor for next steps