Either way, you have to bootstrap secret material onto your instances somehow, so you've got to trust Amazon somewhere. Not to diminish your point -- the how/w

Either way, you have to bootstrap secret material onto your instances somehow, so you've got to trust Amazon somewhere. Not to diminish your point -- the how/where/when really does matter. Locking your house key in your car is still better than leaving it on your front step, but also not as good as in your pocket.