Chinese security researchers have discovered a way to send secret, inaudible commands to speech recognition systems such as Siri, Amazon Alexa or Google Home using ultrasound.
Read more in my article on the Tripwire State of Security blog.
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Hackers send silent commands to speech recognition systems with ultrasound
TechCrunch Security researchers in China have invented a clever way of activating voice recognition systems without speaking a word. By using high frequencies inaudible to humans but which register on electronic microphones, they were able to issue commands to … |
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Kitten videos are harmless, right? Except when they take over your phone.
Researchers have found something new to worry about on the internet. It turns out that a muffled voice hidden in an innocuous YouTube video could issue commands to a nearby smartphone without you even knowing it.
The researchers describe the threat in a research paper to be presented next month at the USENIX Security Symposium in Austin, Texas. They also demonstrate it in this video.
Voice recognition has taken off quickly on phones, thanks to services like Google Now and Apple’s Siri, but voice software can also make it easier to hack devices, warned Micah Sherr, a Georgetown University professor and one of the paper’s authors.
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