angry tapir writes: Next week at the USENIX Security Symposium, researchers at the Korea Advanced Institute of Science and Technology (KAIST) in Daejon, South Korea, are presenting research into knocking drones out of the sky using directed sound waves. They target a component crucial to every drone's ability to fly: its gyroscope. "A gyroscope keeps a drone balanced, providing information on its tilt, orientation and rotation, allowing for micro-adjustments that keep it aloft. Hobbyist and some commercial drones use inexpensive gyroscopes that are designed as integrated circuit packages." For some drones, the gyroscope and its housing have a resonant frequency that's within the audible spectrum. By targeting the drone with sound waves of that frequency, the gyroscope will begin to generate erroneous data, leading to a crash.
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