Researchers used a laser to hack Alexa and other voice assistants

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Researchers used a laser to hack Alexa and other voice assistants
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Anyone ⁠— with motivation and a few hundred dollars' worth of electronics ⁠— could attack a smart speaker from outside your house to do anything from playing music and opening a smart garage door to buying you stuff on Amazon, researchers found

Researchers at the University of Michigan and Japan's University of Electro-Communications figured out they could do this silently and from hundreds of feet away, as long as they had a line of sight to the smart gadget. The finding could enable anyone to attack a smart speaker from outside your house, making it do anything from playing music to opening a smart garage door to buying you stuff on Amazon. A Google Home smart speaker photographed on a kitchen counter, taken on January 9, 2019.

According to data from tech market researcher Canalys, companies shipped 26.1 million smart speakers in the second quarter. Amazon is sitting on top of this market: Canalys reports Amazon shipped a quarter of these speakers, or an estimated 6.6 million between April and June.

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