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Inaudible Sound as a Covert Channel in Mobile Devices

Offered By: USENIX via YouTube

Tags

USENIX Workshop on Offensive Technologies (WOOT) Courses Cybersecurity Courses Data Protection Courses Mobile Device Security Courses Data Exfiltration Courses

Course Description

Overview

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Explore a 19-minute conference talk from USENIX WOOT '14 that delves into the use of inaudible sound as a covert channel in mobile devices. Discover how attackers can exploit ultrasonic frequencies and isolated sound produced by device vibrations to bypass information flow control systems and exfiltrate data. Learn about the implementation of an ultrasonic modem for Android, capable of sending signals up to 100 feet away, even when the transmitter is inside a pocket. Examine the potential risks associated with these covert channels and consider proposed solutions to mitigate these vulnerabilities. Gain insights into the importance of regulating sound-based channels to ensure effective information flow control in mobile devices.

Syllabus

WOOT '14 - Inaudible Sound as a Covert Channel in Mobile Devices


Taught by

USENIX

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