On Tuesday, January 4, 2022, a security change was made in Duo, preventing the “call me” or SMS passcode options by the SMU community, as these factors were susceptible to vulnerability and fraud.
How does that apply to me?
An alternate method for two-factor authentication is now required, either by using a hardware token or by installing the Duo Mobile app on your mobile device.
If you previously used the “call me” or SMS passcode options as your primary method to two-factor, please complete the following steps: Continue reading Recent Changes Made to Duo Security