Thought experiment:

All of the devices have a zero-day from the factory. We won't learn about them until it's too late; nobody will/can prove or disprove it.

* Stay updated on current attacks. Get comfortable remaining at a heightened alert-level; everyone wants your bag.

* Don't keep all of your eggs in the same basket(s).

* Don't trust, verify. But also, maybe remember that more of us are good actors than bad ones, we are making individuals and the collective stronger. We ARE on the same team.