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Home Innovation Ultrasonic attack device hacks phones through solid objects | Scientific American

Ultrasonic attack device hacks phones through solid objects | Scientific American

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Ultrasonic attack device hacks phones through solid objects | Scientific American
Flickr by Stock Catalog Data Hacking. Attribution 2.0 Generic (CC BY 2.0)

Smartphones with a voice assistant, almost every new cellphone out today, have been previously proven that they are prone to voice hacking. Hackers would use ultrasonic waves that we can’t hear to trigger the microphone to compromise texts, emails, and phone calls. However, solid objects would block these waves and require the hacker to be in close proximity to the phone. A new technique known as SurfingAttack can now allow these ultrasonic waves to travel through a solid object, such as a table or chair. Current testing has seen the waves sent through the air work at up to 25 feet. Now, the vibrations can be sent through the solid object, such as the tabletop your phone is sitting on in a coffee shop, by attaching the device to the table.

Source: https://www.scientificamerican.com/article/ultrasonic-attack-device-hacks-phones-through-solid-objects/