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Clever Attack ­ses the Sound of a Computer's Fan to Steal Data


Fan blades

Credit: Svetlana Privezentseva/Hemera/Getty Images

In the past two years a group of researchers in Israel has become highly adept at stealing data from air-gapped computers—those machines prized by hackers that, for security reasons, are never connected to the internet or connected to other machines that are connected to the internet, making it difficult to extract data from them.

From Wired
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