fingerprint

If you have in your possession a regular inkjet printer, a certain type of compatible ink, and fifteen minutes of spare time, then you could be well on your way to bypassing the biometric security on a smartphone. A recently conducted research has concluded that using a certain technique, it is in fact possible to gain unofficial access to a smartphone protected by a fingerprint scanner. How? By printing an image that uses a specialized conductive ink. Here's how this trick works.