Samsung Galaxy S10 WARNING: Smartphone fingerprint reader flaw exposed by 3D printer



Samsung’s latest smartphones, the Galaxy S10 and the Galaxy S10+ are widely regarded as the complete package.

Both bring a host of features to the Android devices, including the fingerprint reader being embedded below the screen of the device. Which, for anyone curious, is done using ultrasonic scans to map a digital model of a fingerprint. 

However, it has emerged that the security measure is not quite as foolproof as Samsung first thought.

Imgur user Darkshark has posted a video showing him fooling the phone by using a 3D printed version of his own fingerprint to bypass the fingerprint reader.

“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,” Darkshark explained on his Imgur post.

“”Most banking apps only require fingerprint authentication so I could have all of your info and spend your money in less than 15 minutes if your phone is secured by fingerprint alone,” ”

Darkshark, Imgur User

Darkshark also explained that the entire process took a mere fifteen minutes from start to finish.

Using his smartphone, he took a photo of his fingerprint on a wine glass before transferring the image to Photoshop.

Software called 3DS Max then allowed him to generate a 3D model of the print to be made on a 3D Printer.

While this experiment was conducted in the name of research, Darkshark warned:

“If I steal someone’s phone, their fingerprints are already on it. I can do this entire process in less than 3 minutes and remotely start the 3d print so that it’s done by the time I get to it.”

“Most banking apps only require fingerprint authentication so I could have all of your info and spend your money in less than 15 minutes if your phone is secured by fingerprint alone,” he added.

Samsung is yet to comment on Darkshark’s findings, but with their claims of the Galaxy S10 having “vault-like security” it may be something they need to address shortly.

The Galaxy S10 and S10+ were unveiled at Samsung’s Galaxy Unpacked event earlier this year.

Alongside the two phones, they announced a folding smartphone, and new Galaxy earbuds to compete with Apple’s Airpods.

In our Samsung Galaxy S10+ Review, we called it “one of the best phones Samsung has ever made”.

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