Ultrasonic fingerprint scanner on Samsung Galaxy S10 can be tricked into unlocking the device

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The Samsung Galaxy S10 and Galaxy S10+ are both equipped with an ultrasonic in-display fingerprint scanner. Unlike the optical scanners that can be found on many Android devices, the ultrasonic readers use sound to map out a user’s fingerprint in 3D. This is more accurate than matching up the 2D image used with optical biometric readers. Even so, one Samsung Galaxy S10 owner posted on Imgur the steps he used to create a 3D image of his own fingerprint. This was used to trick the fingerprint scanner on his phone into unlocking the device.
The Galaxy S10 owner, who goes …

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