How Speakers Can Be Used as Cyber Weapons
Speakers are everywhere, whether it’s expensive, standalone sound systems, laptops, smart home devices, or cheap portables. And while you rely on them for music or conversation, researchers have long known that commercial speakers are also physically able to emit frequencies outside of the audible range for humans. At the Defcon security conference in Las Vegas held recently, one researcher is warning that this capability has the potential to be weaponized.