Samsung Galaxy S10 fingerprint scanner fooled by 3D printed fingerprint

Judy Cobb
April 9, 2019

An Imgur user by the name of "Darkshark" has revealed he managed to fool the Samsung Galaxy S10 in-display fingerprint reader with a cheap 3D-printed replica of his fingerprint.

Using a Samsung Galaxy S10, this dude posted how in a matter of 13 minutes, thieves can forge your fingerprint to access your personal data. From a man's phone being unlocked by his sister's face to a device being opened with an artificial fingerprint to a phone getting unlocked thanks to video footage of the owner's face, these instances should raise alarm bells for any Galaxy S10 user.

Users on various Samsung-related subreddits were the first to report the new rollout, with some posting screenshots of the 1.5GB update notifications. The individual (nicknamed darkshark) apparently took a photo of his fingerprint on a wineglass and ran it through Photoshop for a viable 3D model base. Slipping on a pair of gloves to control the test further, his third attempt resulted in the ability to repeatedly unlock the Galaxy S10+.

It took me 3 reprints trying to get the right ridge height (and I forgot to mirror the fingerprint on the first one) but yeah, 3rd time was the charm.

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He said that now that he's figured out the printing process, he could steal someone's fingerprint and get it printed and ready to use within three minutes. In both situations, the test phone that played footage of the tester's face was smudged, rife with fingerprints and dirt, and held a few inches away from the S10's screen. Stay tuned on Phone Radar for more details about the upcoming Galaxy Note smartphone!

Another issue Galaxy S10 users have encountered before involves the Tap to Wake feature, where the phone would activate by itself in their pockets and, as a result, drain battery life.

Neither Samsung nor Qualcomm, which makes the fingerprint sensor technology used in the Galaxy S10, were immediately available for comment.

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