Hi dahdata,
If you have questions regarding the update settings on your Mac, then we recommend that you check out the link below in the section titled "Automatic updates."
Software Update settings on Mac - Apple Support
Set update options for installing system software and updates automatically. Click the Info button next to Automatic updates, then turn on the options you want:
* To have your Mac check for updates automatically, turn on “Check for updates.”
* To have your Mac download updates without asking, turn on “Download new updates when available.”
* To have your Mac install macOS updates automatically, turn on “Install macOS updates.”
* To have your Mac install app updates from the App Store automatically, turn on “Install application updates from the App Store.”
* To have your Mac install system files and Rapid Security Responses automatically, turn on “Install Security Responses and system files.”
We recommend the article above because it will provide you with more information about the Software Update settings on your Mac.
Please do not hesitate to reach back out to us if you have questions or need any additional support.
Thanks for using the Apple Support Communities.
Cheers!