Hackers Can Use Lasers to ‘Speak’ to Your Amazon Echo or Google Home

In the spring of last year, cybersecurity researcher Takeshi Sugarawa walked into the lab of Kevin Fu, a professor he was visiting at the University of Michigan. He wanted to show off a strange trick he’d discovered. Sugarawa pointed a high-powered laser at the microphone of his iPad—all inside of a black metal box, to […]