Researchers know how to fake ID scanners with fingerprints made by ai

Nov

16

2018

American scientists have made fingerprints by applying artificial intelligence that are relatively quite capable of defusing fingerprint scanners, by giving them the idea that it is a real print.

Scientists at New York University have created artificially created fingerprints, called DeepMasterPrints, which are capable of imitating 23 percent of fingerprints in a biometric control system, the researchers report . This percentage will be increased to 77 percent if the margin of error used is increased from 0.1 percent to 1 percent.

DeepMasterPrints are able to do this because they specifically respond to two properties of fingerprint-based authentication systems. First of all, not all fingerprint scanners scan the entire fingerprint, but only a part. This is the case, for example, with smartphones, where the scanner is rather small for ergonomic reasons and therefore can not perform a full scan. Because small parts of a fingerprint are not as distinctive as a full fingerprint, it is more likely that a part of a fingerprint is successfully matched with another stored fingerprint part.

In addition, there is the observation that although complete fingerprints are unique, they also share certain properties with other fingerprints. This means that an artificial fingerprint with many of these common features has a greater chance of being matched with other fingerprints.

Based on these two observations, the researchers used a neural network. It is specifically a generative adversarial network , which is trained with a dataset consisting of real fingerprints. The result was artificial fingerprints that not only have a relatively good chance of deceiving scanners, but also look really bad enough to make no alarm bells if a person were to view them. In a similar investigation, the artificial fingerprints still had unreal eyes angles, so that a person would filter them out like that.

According to the researchers, their underlying developed method will probably have broad application in the technology surrounding fingerprint security. The scientists state that the artificial fingerprints could be used in the form of a brute force attack, or specifically a word list attack, in which a large number of fingerprints are used to fool the verification of a control system.

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