Hi MBFarmer,
Welcome to Community. I can appreciate your concerns about data privacy with QuickBooks Online. However, you can rest assured, your data is safe. I'd be happy to provide more insight here!
Data security is our number one priority and QuickBooks Online automatically backs up your data, with the same security level used by banks and financial institutions. To learn more about privacy and security, click here. In addition, for your peace of mind, QuickBooks Online Advanced provides the option to back up and restore your company. Here's how to get started with QuickBooks Online Advanced.
If you have any other questions or concerns, please don't hesitate to reach back out. We're always glad to help!