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Indeed in my original comment I assert that he speculates without appropriately labeling it as such. Hence, why my viewpoint is controversial on HN. Most HNers believe Mr. Schneier is an authority on computer security. I believe he takes his genuine expertise in cryptography and mistakes it for understanding of computer security that he doesn't actually possess.

His shortcomings are especially apparent when applied to APT, memory corruption, and computer network intrusion/defense.