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Author Topic: Google's Pixel 4 series Face unlock has a major security flaw  (Read 14409 times)

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gurutek

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Google's Pixel 4 series Face unlock has a major security flaw
« on: October 18, 2019, 08:04:08 AM »


Back in September, we pointed out some issues with Google's Face unlock, the facial recognition system that is the only biometric security option on the Pixel 4 series. Discovered on a Pixel 4 XL obtained before the unveiling by Nextrift, a screenshot revealed that the feature could unintentionally unlock a new Pixel if a user is merely staring at his phone. In addition, the phone can be unlocked by someone who looks a lot like the phone's owner like a twin, a sibling, or a doppelganger. And the phone could be unlocked against the will of the owner if someone puts it up to his face with his eyes open.

Today though, an even more frightening security issue was discovered on Google's Face unlock support page (via BBC News). The Face unlock settings in the aforementioned screenshot show a toggle option that can be enabled forcing the phone owner to have his eyes open to use Face unlock. However, this option will not appear in the Pixel 4 models set to ship next week and Google wouldn't say whether it plans on adding this in a future update. Here is why it is important. If someone looking to get into a Pixel 4 grabs the device and puts it up to the owner's face, it will unlock. Apple, by default, requires an iPhone or iPad Pro user to be alert with open eyes to unlock a device with Face ID. This allows a person to keep his eyes shut in order to prevent his iPhone or iPad Pro from being unlocked against his will.



 

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