If you think that a fingerprint scanner is a secure way of keeping the data locked inside the mobile phone, laptop or any other device that has been locked via fingerprint scanner, you are wrong. Your device is still vulnerable to data thefts and security breaks.

Thick toners mixed with latex milk/wood glue were used by Chaos Computer Club to perform fingerprint hack in 2013. And now, according to Boing Boing, Computer Sciences researchers Anil Jain and Kai Cao researching at Michigan State University have developed this technique of hacking a smartphone locked by fingerprint scanner. All that needs to be done is getting a fingerprint at a dpi of 300, and print it by conductive silver ink on AgIC paper.

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According to Mashable, an inkjet printer can be used to hack a smartphone that is secured via fingerprint sensor.  In fact, not much needs to be done apart from the prints of the finger taken on special ink through a normal inkjet printer. The video displaying this technique showed hacking of Huwaei Honor 7 as well as Samsung Galaxy S6. The video can be seen here.

Eventually, most of the devices use same fingerprint scanners on their devices - be it the iPhone, Samsung S5, S7, HTC. In near future more devices will be doing authentication based on the fingerprints technology, and using the same fingerprint scanners to do so.

Adding to this, hacker can actually generate spoofs in large quanta by mere fingerprints available with them. A person leaves traces of the fingerprints from glasses he/she uses to tables, keypads and everywhere. Also biometric signing uses fingerprints of a person, which are also vulnerable to hack attacks.

This means that the data, including the payments done by a person, are easily hackable. This shows vulnerability to the technology leaving vulnerable to hacks and thefts.