I’m already a McDonald’s® App user. Why do I still have to authenticate myself with 2FA? July 07, 2022 07:59 Updated We have introduced 2FA to the McDonald's App as an added layer of security for our users to better protect their data and personal information. Related articles How often does the user have to log in? What happens when I activate 2FA? How often will user be prompted for 2FA OTP? My reward has disappeared from the app. What has happened? I cannot see the store that I visited in the screen.