Knowing how and when you are under a zero day/malware attack
I have PDF photos of my iPhone 10, AirPort Extreme Router with firmware 7.9.1, MacPro 3,1 with El Capitan OS X, MacPro 5,1 westmere 12-core dual 3.46 ghz processors with macOS 10.14.6 Mojave, wife’s MacBook Air with High Sierra were on even ground being attacked and router Ethernet ports burned up with migration assistance hijacking my data.