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Imagine hackers stealing top secret files from a military base. Except they don't need the Internet to pull data out of the facility's computers. Instead, they can just infect an office printer and -- with software alone -- turn it into a radio.
Last week, the team at Red Balloon Security demonstrated how it works to several news reporters.
They infected a Pantum laser printer and toyed with its circuits, making it do something it was never meant to. By quickly switching a chip's energy output back and forth, the printer emits electromagnetic radiation.
Do it real slow? You can actually hear a funky tune. Crank it way up? You get radio waves. Highs and lows become 1s and 0s -- computer code.
The Red Balloon team calls it a "funtenna."