Category Archives: voicerecognition

Sending Inaudible Commands to Voice Assistants

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Researchers have demonstrated the ability to send inaudible commands to voice assistants like Alexa, Siri, and Google Assistant. 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 Apple’s Siri, Amazon’s Alexa and Google’s Assistant. Inside university labs, the researchers have… Continue reading Sending Inaudible Commands to Voice Assistants→

Sending Inaudible Commands to Voice Assistants

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Researchers have demonstrated the ability to send inaudible commands to voice assistants like Alexa, Siri, and Google Assistant. Over the last two years, researchers in China and the United States have begun demonstrating that they can send hidden comm… Continue reading Sending Inaudible Commands to Voice Assistants→

Hacking Voice Assistant Systems with Inaudible Voice Commands

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Turns out that all the major voice assistants — Siri, Google Now, Samsung S Voice, Huawei HiVoice, Cortana and Alexa — listen at audio frequencies the human ear can’t hear. Hackers can hijack those systems with inaudible commands that their owners can’t hear. News articles…. Continue reading Hacking Voice Assistant Systems with Inaudible Voice Commands→

Stealing Voice Prints

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This article feels like hyperbole: The scam has arrived in Australia after being used in the United States and Britain. The scammer may ask several times "can you hear me?", to which people would usually reply "yes." The scammer is then believed to record the "yes" response and end the call. That recording of the victim’s voice can then be… Continue reading Stealing Voice Prints→

Forging Voice

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LyreBird is a system that can accurately reproduce the voice of someone, given a large amount of sample inputs. It’s pretty good — listen to the demo here — and will only get better over time. The applications for recorded-voice forgeries are obvious, but I think the larger security risk will be real-time forgery. Imagine the social engineering implications of… Continue reading Forging Voice→