Hackers Can Steal Data Wirelessly From PCs That Aren't Even Online

Oil rig control room, North Sea. Photographer: Arnulf Husmo/Getty Images

When governments, utilities and corporations need to protect their most sensitive data, they create what's called an air-gap network. It involves storing information on computers that are never connected to the Internet, an extreme method of isolation designed to prevent any chance of data leaking out.

To continue reading this article you must be a Bloomberg Professional Service Subscriber.