Another group of researchers has demonstrated that hard disk drives (HDDs) can be interfered with through sound waves, but they’ve also shown that ultrasonic signals (i.e., sounds inaudible to the human ear) can be used to damage their integrity and availability. Attacking HDDs HDDs are non-volatile data storage devices that store and retrieve digital information by using rapidly rotating disks coated with magnetic material and magnetic heads that read and write data to the disks’ surfaces.

Read full news article on Help Net Security