But those are combined with high-tech locks, such as biometric security systems (think fingerprint and retina scanners).

FORBES: Platinum Protection

Research carried out by Axel Munde of the German Information Security Agency, to be published next month, found that many biometric systems available in Germany could be fooled.

ECONOMIST: The measure of man | The

However there are still a number of reservations that biometric systems will provide an enhanced passenger experience at airports and maintain high standards of security.

CNN: Heathrow tests biometrics