Glowworm Attack allows sound recovery via a device’s power indicator LED

The Glowworm attack leverages optical emanations from a device’s power indicator LED to recover sounds from connected peripherals and spy on electronic conversations. Boffins from the Ben-Gurion University of the Negev devised a new attack technique, dubbed the “Glowworm attack,” that leverages optical emanations from a device’s power indicator LED to recover sounds from connected peripherals and spy on electronic conversations.

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