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Researchers Use Lasers to Hack Smart Speakers

2019-11-06 19:42:15| TechNewsWorld

University researchers have discovered a way to issue unauthorized commands to digital assistants like Alexa, Google Assistant, Facebook Portal and Siri via laser beams. The microphones in devices like smart speakers, mobile phones and tablets convert sound into electrical signals, but what the researchers found was that the mics react to light aimed directly at them, too.

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