Welcome back to the QuickBooks Community, Shelleyd22. I understand that things have been complicated for you about some unusual changes that have happened. Also, it's not the sort of experience we want you to have while utilizing QuickBooks Online. I'll make sure you're directed to the right person to help you further on the matter and confirm the cause of the problem.

Please know that we aim to deliver customer satisfaction at all times and fix or address an issue as soon as possible. Rest assured that one of our agents will assist you in securely reviewing your account and reaching out to assist with the safety of your account and resolving any impact from unauthorized access.

For now, I'm adding this article to see various details on how you can manage users' roles and limit their access to specific tasks: User roles and access rights in QuickBooks Online.

Don't hesitate to comment below if you have further questions about the user's access or any unauthorized transactions. I'm always around to help you, Shelleyd22. Have a great day!