Your phone's fingerprint scanner can be hacked with a printer

If you thought keeping your smartphone locked behind a fingerprint scanner would keep it secure, it may not be as stranger-proof as you thought. Researchers have found that with an inkjet printer and some special ink and paper, anyone can hack into your phone in 15 minutes or less.

Researchers Kai Cao and Anil Jain of Michigan State University have come up with a method to get through smartphones’ fingerprint scanners by scanning a fingerprint at 300 dpi and printing it on conductive AgIC paper with conductive silver ink