Your User Profile page allows you to change your user name and password for AutoEntry. If you have joined AutoEntry through the Intuit (QuickBooks Online) single click sign-on, please see here. Click on your user menu to the top right and select User Profile from the drop down menu:
It will open up the profile details page where you can change the name and email address associated with your account if required:
Switch to the password tab at the top where you can change your password.
When the password has been successfully changed a notification banner across the top of the page will confirm.
There is also the option to further secure your account using the optional 2-Step verification under the Security and 2-Step tabs. See here for details on activating and using the 2-Step verification method.