A new ultrasound technology can help prevent implantable medical devices such as pacemakers from being attacked by radio.
Researchers at the Swiss Federal Institute of Technology and the new method developed by the French National Institute of Computer Science and Control are based on the precise distances of implantable medical devices and radios detected by the use of ultrasound. The device only needs one microphone to detect the ultrasound and does not consume too much energy. Since the device does not respond to interference outside the predetermined distance, the power is not consumed unnecessarily.
Researchers have manufactured and tested prototype systems and have applied for technology patents. The study was presented at the American Computer (ACM) Computer and Communication Security (CCS) conference, which was held in Chicago during the November 2009 association in Chicago (Illinois).
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