Researchers fool smartphone fingerprint sensors using inkjet printer

By Shrey Pacheco | Updated 8 Mar 2016
Researchers fool smartphone fingerprint sensors using inkjet printer
  • Researchers at Michigan State University managed to unlock a phone protected by a fingerprint scanner by using special conductive ink and paper

Researchers at Michigan State University have found a way to unlock a smartphone protected by a fingerprint, by using an inkjet printer. The researchers, Kai Cao and Anil K. Jain, used a special conductive ink and paper made by a company called AgIC. They also noted that the fingerprint of the user has to be scanned at a resolution of 300dpi or higher. Before printing, though, the image of the scanned fingerprint needs to be reversed.

advertisements

The researchers used Samsung Galaxy S6 and Huawei Honor 7 smartphones for testing, and managed to unlock both of them by using this technique. Although, Cao and Jain have noted in their paper, that the Honor 7 was slightly more difficult to hack than the Galaxy S6. The two researchers say that this technique is faster than the earlier method of creating a fingerprint ‘spoof’. The earlier method required the use of latex milk or wood glue. The quality of this spoof depended on the experience of the hacker, and the fingerprint itself took about 20 to 30 minutes to dry.

advertisements
Shrey Pacheco
Writer, gamer, and hater of public transport.
advertisements
ASK DIGIT

Recent Questions

Best smartphone for using Outlook?
Ashish Sureshrao Lasinkar
Sept 18, 2014
Responses 2
Vivek Bhatt
Sept 20, 2014
t ruth pushpalatha
Sept 22, 2014
Comments
Be the first one to post the comment
Post a New Comment
You must be signed in to post a comment
advertisements