Tapping the strange science of quantum mechanics, physicists are creating new data security protocols that even the NSA can’t ■■■■■.
“Any adversary would have to place herself in between sender and receiver at just the right moment in order to intercept this key-encoded photon, but even that would not enable them to steal any useful information.”
http://tech.fortune.cnn.com/2013/07/29/from-russia-unbreakable-computer-code/