Every time you unlock your front door, your key whispers a small, but audible, secret. Hackers finally learned how to listen.
Researchers at the National University of Singaporeearlier this year detailing how, using only a smartphone microphone and a program they designed, a hacker can clone your key. What’s more, if a thief was able to install malware on your smartphone, smartwatch, or smart doorbell to record the audio from afar, they wouldn’t even need to be physically nearby to pull off the attack.
The key (ahem) to the attack, dubbed SpiKey, is the sound made by the lock pins as they move over a typical key’s ridges. …
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