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In recent years, smartphone manufacturers have implemented advanced features that allow users to secure their devices with the help of fingerprint readers, face cards, and even sensors that map veins. blood in the palm of the hand. But there are still ways to bypass such measures and a user discovered that he could mislead the fingerprint reader built into his Samsung Galaxy S10's screen with a 3D footprint of his fingerprint .
In an article about Imgur, the user darkshark presented his project: he took a picture of his fingerprint on a wineglass, treated it with Photoshop and created a template at l & # 39; using 3ds Max which allowed him to extract the lines of the image into a 3D version. After printing for 13 minutes (and three attempts with some adjustments), he was able to print a version of his fingerprint that was misleading the phone's sensor.
The Galaxy S10's fingerprint sensor does not rely on a capacitive fingerprint reader used in other versions of the phone, but on an ultrasound sensor apparently more difficult to forge. Darkshark points out that it did not take much to usurp his own fingerprint. One concern, he notes, is that payment and bank applications are increasingly using the authentication of a fingerprint sensor to unlock it, and all that he had needed to enter his phone was a photo, software and access to a 3D printer. "I can do this process in less than 3 minutes and start 3D printing remotely so that it is finished by the time I can do it," he writes.
This is certainly not the first time anyone finds a way around the sensors of a phone. The police used a 3D print in 2016 to enter the phone of a murder victim, while a cybersecurity company used a $ 150 face mask to beat FaceID's face. Apple on an iPhone X in 2017. As my colleague Russel l Brandom pointed out a few years ago, fingerprints not as safe as one might think – they can get robbed and get themselves usurper, even on the most advanced phones.
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