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Alexa and Siri Can Hear This Hidden Command. You Cant.
Key Excerpts from Article on Website of New York Times
Posted: May 15th, 2018
https://www.nytimes.com/2018/05/10/technology/alexa-siri-hid...
Over the last two years, researchers in China and the United States have begun demonstrating that they can send hidden commands that are undetectable to the human ear to Apples Siri, Amazons Alexa and Googles Assistant. Researchers have been able to secretly activate the artificial intelligence systems on smartphones and smart speakers, making them dial phone numbers or open websites. In the wrong hands, the technology could be used to unlock doors, wire money or buy stuff online - simply with music playing over the radio. A group of students from University of California, Berkeley, and Georgetown University showed in 2016 that they could hide commands in white noise played over loudspeakers and through YouTube videos to get smart devices to turn on airplane mode or open a website. This month, some of those Berkeley researchers published a research paper that went further, saying they could embed commands directly into recordings of music or spoken text. So while a human listener hears someone talking or an orchestra playing, Amazons Echo speaker might hear an instruction to add something to your shopping list. There is no American law against broadcasting subliminal messages to humans, let alone machines. The Federal Communications Commission discourages the practice as counter to the public interest, and the Television Code of the National Association of Broadcasters bans transmitting messages below the threshold of normal awareness.
Note: Read how a hacked vehicle may have resulted in journalist Michael Hastings' death in 2013. A 2015 New York Times article titled "Why Smart Objects May Be a Dumb Idea" describes other major risks in creating an "Internet of Things". Vulnerabilities like those described in the article above make it possible for anyone to spy on you with these objects, accelerating the disappearance of privacy.
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