Researchers, how they could reconstruct a person’s fingerprint from the sound they make when swiping a touch screen discovered.
This discovery was made by a team from the USA and China.could have profound impacts on biometric security systems used in everything from smartphones to door entry locks.
The technique called PrintListener, It recreates the pattern of the finger’s bubble lines through the acoustic signals it produces as it slides across the screen.
According to researchers, hackers can use the smartphone’s microphone to record audio and steal the victim’s fingerprint.
In the article where the researchers detailed their findings, “Due to its widespread use, fingerprint leakage can lead to the theft of sensitive information, enormous economic and personnel losses, and even potentially endanger national security.” said.
PrintListener Using “realistic scenarios”, researchers were able to partially reconstruct a person’s fingerprint 27.9 percent of the time and completely 9.3 percent of the time.
The method was developed by “PrintListener: Uncovering the vulnerability of fingerprint authentication via the finger friction sound” written by a team including the University of Colorado in the USA and Tsinghua University, Wuhan University and Huazhong University of Science and Technology in China. It was detailed in the research article titled “Revealing the vulnerability of fingerprint authentication via voice.”
The researchers noted that possible protection against fingerprint copying includes special screen protectors on mobile devices, but new voice analysis techniques can also be developed.
The best precaution to prevent fingerprints from being stolen is to change the way we interact with smartphones and screens. “For example, users should not try not to slide their fingers on the phone screen while making voice and video calls on social media platforms,” the article said.
According to a recent report by Allied Market Research, the global fingerprint biometrics market is expected to be worth approximately $75 billion by 2032, up from $21 billion in 2022.
The report also noted that this forecast may be affected by “operational concerns regarding privacy and security.”
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