Audio Hotspot Attack: An Attack on Voice Assistance Systems Using Directional Sound Beams
computer and communications security, pp. 2222-2224, 2018.
We propose a novel attack named "Audio Hotspot Attack'', which performs an inaudible malicious voice command attack, targeting voice assistance systems, e.g., smart speakers or in-car navigation systems. This attack leverages directional sound beams generated from parametric loudspeakers, which emit AM-modulated ultrasounds that will be s...More
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