GoKawiilHong Kong researchers demonstrate InjectEave attack that reads headphone audio from 30 meters away
Researchers from Hong Kong University of Science and Technology (Guangzhou) and Hong Kong Polytechnic University unveiled InjectEave, a method that beams low-frequency electromagnetic signals at devices to trigger leaks through their nonlinear analog components, such as amplifiers and converters. In tests on 11 commercial products, including Sony, Apple and Philips headphones and a VoIP phone, the technique reconstructed intelligible audio from as far as 30 meters, even through walls, using off-the-shelf radio and antenna equipment.