How to Geek:

macOS Catalina introduces new security controls. For example, apps are now required to ask your permission before accessing parts of the drive where documents and personal files are kept. Let’s take a look at what’s new for security in Catalina.

Apple is doing its best to make our Macs as secure as possible but some of these actions will be very confusing to users because of the lack of explanation as to why it’s happening.