A global attack that destroys everything we've made in seconds.
No grocery stores, no clothes or tools or running water. Suddenly we're back to Genesis but with our human nature unchanged. Would your local community have what it takes to survive?
I think most people would perish pretty quickly to be honest. We've become too reliant on things outside ourselves. Even farmers and rednecks would probably struggle.
I could buy a new computer for my old Ford ranger and put it in a Faraday box along with my old phones and tablets and such.
Other than that I'm as prepped as I can be.