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Hackers don't even need to use your phone's mic to eavesdrop on you

Hackers don't even need to use your phone's mic to eavesdrop on you
photo courtesy of shutterstock

If you have an Android smartphone, listen up!

Security researchers from defense firm Raphael and Stanford University have discovered a way that your Android can be turned into an always-on listening device without having to ask you for permission.

That's right, your phone could be turned into a bug without you knowing about it!

The trick is that your phone's gyroscope - the motion detector - can also detect the vibrations of sound waves in the air using the built-in vibrating pressure plates. The gyroscope can also detect sound wave vibrations in the 80-250 hertz range, which is exactly the frequency of the human voice.

If you're an iPhone user, you're a little bit safer. The gyroscope microphone app, dubbed Gyrophone, can only pick up frequencies of 100 hertz or less. That's a little too low for eavesdropping, but researchers could determine the gender of the speaker and a word here and there.

Where's there's a will, there's a way, and you can be sure that hackers will stop at nothing to get your personal information. Thankfully, Google already knows about the research and is working to create countermeasures to this new advance in surveillance.

The researchers will be delivering a paper at the Usenix Security Conference next week. Stay tuned for more information.

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Source: Engadget
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