1. A biometric identification and/or authentication method using a computer having a processor executing software for performing the method for identifying and/or authenticating the user of a terminal, said method comprising the steps of: automatically determining, using the computer, a user-specific eye movement pattern when the eye moves along a trajectory, said user specific pattern including involuntary eye movements of an eye of the user; and automatically identifying and/or authenticating the user using the computer by utilizing said determined user-specific eye movement pattern.