What WashU systems require 2FA?
Use of WashU two-factor authentication (2FA) is required for all WUSTL Keys when signing into Washington University applications from non-trusted networks. Additionally, VPN application authentication always requires WashU 2FA.
If you’re accessing a Washington University system from the Internet using your WUSTL Key that does not require WashU 2FA, please report this to infosec@wustl.edu.
Please note: Some employees may be required to use 2FA to access various applications even when on a trusted network based on their position and/or department.
Return to WashU 2FA.

Can I opt out?
No, enrollment for access to identified systems is mandatory.

Can I Still Use Passcode Authentication?
Yes. WashU 2FA passcodes are still an option for individuals with an approved DUO Exception Request from the Office of Information Security.

Can I transfer the Duo app from one device to another?
While the app transfers from device to device, the configuration of each device are specific and will need to be reactivated on new devices.

Can I use 2FA while traveling or when I have poor connection?
Yes. In the Duo mobile app, simply click the key on the upper right-hand side of the screen or…

Can I use 2FA without racking up data or messaging costs on my mobile device?
Yes. Open the Duo app on your smartphone or tablet and select the Duo key icon in the…

Can I use an international phone number?
Yes. Duo accepts international phone numbers.

Can I use multiple devices?
Yes! You can enroll your mobile phone, your landline phone, and your tablet.

Duo phone restrictions on Chinese +86 numbers
Due to recent telephony restrictions by the Chinese government, effective April 11, 2019…