Apple is trying its hand at biometric security - the first phone company to do so since Motorola in 2011. A fingerprint sensor will be embedded in the iPhone 5s' home button, allowing for faster logins and preventing unauthorised access.

With $385 billion currently invested in global airport developments, lounges and runways are changing rapidly. It might be decades before ‘airport cities’ are developed, but we’re already seeing new outdoor spaces, retail opportunities and better logistics. What does the future of airports hold?

Online banking can be a pain. Passwords are easy to forget, and that tiny card reader is easy to lose. While financial institutions experiment with fingerprint verification, others track your eyes to double-check it's you. Halifax wants to go one step further, using heart rate to unlock your account.

Is the best password a random combination of digits and numbers? According to researchers, there may be an even better way to protect devices against unauthorised access. They suggest that the way we interact with touchscreens is so unique it can be turned into a password.