Samsung Exposed Security Issues on the Ultrasonic Fingerprint Scanner
Recently, a security issue with Samsung’s ultrasonic fingerprint scanner raised concerns over the Internet. Qwer432
Views of netizens
Some Internet users have concerns about the security of this
technology. They are of the opinion that the ultrasonic fingerprint
scanner itself is not secure enough.
While some Internet users believe that this is because the British
user has registered her fingerprint when using a screen cover. They
still consider the ultrasonic fingerprint scanner as the most advanced
technology in the industry.
Samsung used Qualcomm’s third-generation 3D ultrasonic fingerprint
sensor to identify fingerprints ultrasonically. This allows the phone to
scan the texture of the silicone case when the user registers a
fingerprint over the silicone case. They hold the view that when a user
registers a fingerprint with a protective film, the texture of the
silicone case instead of the user’s fingerprint is scanned.
Later, an Internet user claims to unlock the Samsung phone with an
unregistered fingerprint when the phone is applied a TPU film. In this
case, the user registered a fingerprint without a screen cover. It makes
Samsung’s security issue more sophisticated.
This security issue is extremely serious
Your smartphone security is essential to your personal information
and financial security because the fingerprint is used to unlock a phone
as well as to pay, which will raise a lot of concerns. Various payment
services, including Samsung Pay, allow users to verify a payment with
their fingerprints. This means that anyone can access your mobile
banking apps on Samsung smartphones, which poses a big threat to the
financial security of users.
Discovery of this security hole
This was first discovered by a British couple on October 13. The
wife applied a screen protector to her Samsung Galaxy S10 and scanned
her right thumbprint. Then, she found that her left thumb, which hasn’t
registered, could unlock her S10. So did her husband’s thumbs.
Samsung Electronics immediately recognized the seriousness of this
case and issued an official statement the day after the discovery,
admitting that there was a malfunction with the fingerprint recognition
program on Samsung Galaxy S10 and Note 10 series. It was claimed that
this was only a malfunction that could be resolved with a patch. In
addition, it advised users to stop using screen covers, remove previous
fingerprints and register new fingerprints without a screen protector.
This was just a temporary solution to the security issue. Relevant fixes
will be published as soon as possible.
Since this security issue was extremely serious, not only Samsung
took immediate action to resolve it but also many banks denied login or
payment via a fingerprint. Two UK banks removed their mobile banking
apps directly from Samsung Galaxy S10.
On October 24, Samsung Electronics announced that a software update
had been released to resolve the fingerprint identification issue in the
Samsung Galaxy S10 and Galaxy Note 10 series. On “Samsung Members”,
Samsung also made an apology and kindly remind its users to update their
biometric authentication to the latest version of the software as soon
as possible.
Conclusion
This ultrasonic fingerprint scanner used to be the pride of
Qualcomm. It can not only identify the user’s fingerprint texture
through water, grease and other things but also detect human blood,
which means that fake phones and artificial skin are impossible to fool
the ultrasonic fingerprint scanner. Samsung touted it at the launch as a
revolution in biometric authentication.
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