Quote Originally Posted by GeorgeParker View Post
My computer is hardwired to the internet via a modem that has a password of my choosing protecting it's settings. That modem acts as a NAT router. There is a hardware firewall+router between the modem and my computer. My computer OS also has a built-in firewall, which is turned on. And installing or updating software or the OS requires entering the password of my Admin account, which is only used for that purpose, never for general internet access.
As a longtime geek myself, I'll admit to spending quite a bit of time and effort from the early 90's onward to teach myself the basics of computers, networking and IS security. The following diagram represents a moment in time of my home network roughly 20 years ago. It's been severely downscaled since then while still being upgraded significantly, if you know what I mean.