On the log-in screen, click 'Forgot password?' or use this URL to go straight there

https://access.mymxdata.com/faces/login/forgotten

You will receive an email from update@mymxdata.com, asking you to set a new password.

Password rules;

Minimum 10 characters
At least one upper case and one lower case character
At least one number
At least one special character
Cannot have three identical consecutive characters (i.e. 'aaa' or 'ccc' are not allowed)
Cannot repeat previous 3 passwords