[mysterydip]

I am fine with using computers, mobile devices, VR/AR, etc. as long as I have the ability to disconnect and walk away, fix or replace.

What happens with the equivalent of drive-by ransomware on your brain? Send bitcoin to this address or we permanently give you a migraine?

[RangerScience]

Make the part that can interact with the outside world removable. Only keep the mesh and the external connection, which could (maybe?) be stateless, since (maybe) it would just be all the mesh connection points. Nothing to "hack" (without physical access), nothing to persist the hack.