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Researches have demonstrated the effect of malicious sonic and ultrasonic signals on hard drives. Just by playing ultrasonic sound through a victim machine physical damage to hard drives can be caused.

HDDs are exposed to external vibrations where researchers showed that specific acoustic signals can cause interruption in HDDs internal components, which leads to failure of whole system that is running on that drive.

These attacks can be performed using nearby speaker or through the victim’s own speakers if the user is tricked into playing a malicious sound.

You can find out more in a research paper (PDF) titled:

Article Categories:
Physical Security
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