successfully uses Mac OS X.
I'm pretty sure that's a paradox.
Anyway, yes you are in the wrong section.
But you will need the right software on your main computer as the control station, something that also has an app inside the Apple ecosystem. You can get wireless IP cameras that connect to your router, you just need to make sure you have good coverage. I haven't dabbled in this sort of security myself, but looking at the steps to take, it doesn't seem half as daunting as it may appear.