florida.haunted, your brain has been crashed by your ass?
You could say backdoor could be embedded into every computer. So what should you do? fuck your computer? Just remind you, turn off your computer before fucking it and add some lubricating oil at CPU socket. Have your good time.
There is open hardware example:
http://en.wikipedia.org/wiki/VIA_OpenBookThere is secure open software example:
http://www.openbsd.org/I've contacted OpenBSD author personally few months ago, he is an amicable person, not afraid about OpenBSD will be cloned.
P.S. I think, Linux, compiled from sources, on any hardware, is sufficient for our purposes.