At the moment, passcodes on smartphones and tablets use numbers, and the majority of devices rely on a 4-digit PIN number. This method, while widely adopted, has its limitations and vulnerabilities.

The world is currently fixated on using combinations of letters and numbers as passwords and PIN codes, but actually there could be a better way. Whether you love them or hate them, emoji offer one ...

British company Intelligent Environments wants to replace your traditional four-digit pin code with something more upbeat - an Emoji Passcode. The firm claims that the system is mathematically more ...