Laser-Based Command Injection Attacks on Voice-Controlled Microphone Arrays
Abstract: Voice-controlled (VC) systems, such as mobile phones and smart speakers, enable users to operate smart devices through voice commands. Previous works (e.g., LightCommands) show that attackers can trigger VC systems to respond to various audio commands by injecting light signals. However, LightCommands only discusses attacks on devices with a single microphone, while new devices typically use microphone arrays with sensor fusion technology for better capturing sound from different distances. By replicating LightCommands’s experiments on the new devices, we find that simply extending the light scope (just as they do) to overlap multiple microphone apertures is inadequate to wake up the device with sensor fusion. Adapting LightCommands’s approach to microphone arrays is challenging due to their requirement for multiple sound amplifiers, and each amplifier requires an independent power driver with unique settings. The number of additional devices increases with the microphone aperture .... https://tches.iacr.org/index.php/TCHES/article/view/11442
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Laser-Based Command Injection Attacks on Voice-Controlled Microphone Arrays ; volume:2024 ; number:2 ; year:2024
IACR transactions on cryptographic hardware and embedded systems ; 2024, Heft 2 (2024)
- Urheber
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Shi, Hetian
He, Yi
Wang, Qing
Zhuge, Jianwei
Li, Qi
Liu, Xin
- DOI
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10.46586/tches.v2024.i2.654-676
- URN
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urn:nbn:de:101:1-2024032017580035406647
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
- 14.08.2025, 08:49 UTC
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Beteiligte
- Shi, Hetian
- He, Yi
- Wang, Qing
- Zhuge, Jianwei
- Li, Qi
- Liu, Xin
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