Researchers in Japan and at the University of Michigan said Monday that they had found a way to take over Google Home, Amazon’s Alexa or Apple’s Siri devices from hundreds of feet away by shining laser pointers, and even flashlights, at the devices’ microphones.
In one case, they said, they opened a garage door by shining a laser beam at a voice assistant that was connected to it. They also climbed 140 feet to the top of a bell tower at the University of Michigan and successfully controlled a Google Home device on the fourth floor of an office building 230 feet away. And by focusing their lasers using a telephoto lens, they said, they were able to hijack a voice assistant more than 350 feet away.
Opening the garage door was easy, the researchers said. With the light commands, the researchers could have hijacked any digital smart systems attached to the voice-controlled assistants
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With a Laser, Researchers Say They Can Hack Alexa, Google Home or Siri (Published 2019)
Researchers in Japan and at the University of Michigan said they have found a way to take over the voice-controlled digital assistants.
www.nytimes.com