Quick-fire questions
Does my Mac need to connect to iCloud for updates?
> Yes, but those don’t require you to be logged into your iCloud account at the time. Among the updates now delivered through iCloud connections are Siri and its knowledge, linguistics files, and most recently some security data updates to XProtect. Avoid blocking those if possible, as they’re in your interest.
Should I use a private Wi-Fi address on my iMac?
> This depends on whether it will connect to any Wi-Fi networks that you don’t control. Your own networks shouldn’t pose any security risk, but if you