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It's possible to hack a phone with sound waves, researchers show

In their paper, the researchers describe how they added fake steps to a Fitbit fitness monitor

Phone hacking
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Illustration: Binay Sinha

John Markoff New York Times
A security loophole that would allow someone to add extra steps to the counter on your Fitbit monitor might seem harmless. But researchers say it points to the broader risks that come with technology’s embedding into the nooks of our lives.

On Tuesday, a group of computer security researchers at the University of Michigan and the University of South Carolina will demonstrate that they have found a vulnerability that allows them to take control of or surreptitiously influence devices through the tiny accelerometers that are standard components in consumer products like smartphones, fitness monitors and even automobiles.

In their paper, the researchers

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