US Researchers Show Computers Can Be Hijacked

A team of security researchers has demonstrated the ability to hijack standard equipment inside computers, printers and millions of other devices in order to send information out of an office through sound waves. The attack program takes control of the physical prongs on general-purpose input/output circuits and vibrates them at a frequency of the researchers' choosing, which can be audible or not. The vibrations can be picked up with an AM radio antenna a short distance away. For...

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