The Optical Illusion That Could Protect Your Passcodes: Researchers Reveal Keypad That Looks Different If Someone Looks Over Your Shoulder

Have you ever been worried about a stranger looking at what you’re typing on your phone, or looking over your shoulder while you punch in your pin code at the ATM? … “The traditional configuration of numbers on a keypad is so familiar that it’s possible for an observer to discern a PIN or access code after several viewings of surveillance video,” said Dr Nasir Memon, a Professor of Computer Science and Engineering at NYU’s Tandon School of Engineering.