1. A method of validating an identity of a user using a pointing device comprising the steps of: displaying a background image, positioning at least one object on said background image, operating said pointing device to provide data relative to said background image, sampling a plurality of events corresponding to positions of said cursor while performing said step of operating to provide a sampled pointing device (PD) signature including a set of position vectors, comparing said sampled PD signature to a stored PD signature representing the identity of the user, and validating said identity of said user in response to said comparing step.