NSA devises radio pathway into computers isolated from web

"Washington:  The National Security Agency has implanted software in nearly 100,000 computers around the world that allows the U.S. to conduct surveillance on those machines and can also create a digital highway for launching cyberattacks..."
http://www.ndtv.com/article/world/nsa-devises-radio-pathway-into-computers-isolated-from-web-471387