Depends how shielded he is from EMPs, where the weak points are, if there's something that counts as a brain, or a heart, or arteries.

[He isn't going to hack a system if it's genuinely alive, which rules that out, and he's almost certain most of his knowledge of poisons is irrelevant in the face of robots even if he could get hold of any of the ones he knows.]

I studied how safe Miles keeps people. And Ivan can't even keep himself safe from me. If everyone's that good at it, I think I'm better locking myself in my room and staying there.