Researchers have that a muffled voice hidden in an innocuous YouTube video could issue commands to a nearby smartphone without you even knowing it, reports PCworld.
The voice commands don’t have to be clear or even recognisable to the human ear. the research found all that is important is that the voice recognition software (like Google’s “Now” or Apple’s Siri) picks up on the command.
“It might not work every time, but it’s a numbers game. If a million people watch a kitten video with a secret message embedded, 10,000 of them might have have their phone nearby. If 5,000 of those load a URL with malware on it, you have 5,000 smartphones under an attacker’s control,” Micah Sherr, Georgetown Professor said in a statement.
The researchers plan to officially present the threat research paper next month at the USENIX Security Symposium in Austin, Texas.
You can watch the technology in action below:
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