Update, security and iService

Hi guys, I just finished installing a hackintosh with the latest Ventura update, now I have a few questions:

1. I followed Dortania's guide, downloading from her links and configuring the .plist file myself, is there any risk that someone could access my sensitive data inside my hackintosh?
2. I have a MacBook, iPhone and Apple Watch, all original and connected to the same iCloud account, therefore passwords, photos and wallet etc. everything shared, can I have problems using hackintosh both related to point 1. and for example an email ban by Apple?
3. I have installed Ventura, but can I install directly using the installation that macOS offers me (in settings) or do I have to follow external sources to update it?

Thank you all