It's more likely Intel is hiding a back door in their microcode mechanism, which has been suspected for some time. AMD publicly denounced having any back door

It's more likely Intel is hiding a back door in their microcode mechanism, which has been suspected for some time. AMD publicly denounced having any back door in their hardware: http://www.fudzilla.com/home/item/32120-amd-denies-existence-of-nsa-backdoor http://www.fudzilla.com/home/item/32120-amd-denies-existence...