How does McDonald's app restrict others from logging in?

Modify login password, start double authentication, etc.

Modify the login password: In order to prevent others from maliciously logging in, it is recommended that you modify the login password of the APP first to ensure that the password is complex and difficult to guess.

Enable dual authentication: Enable dual authentication functions such as SMS authentication and fingerprint authentication to increase account security. You can restrict others from logging in to McDonald's app.