Patent ID: 8892461

Claim:
A method of authenticating a user of a mobile device, comprising: sensing, by one or more location sensor, a plurality of locations of the mobile device; tracking the plurality of locations of the mobile device; sensing, by one or more motions sensors, motion of the mobile device; tracking motion behavior of the mobile device based on the sensed motion; generating a user profile for the user over time based on the tracked plurality of locations and the tracked motion behavior; and authenticating a present user of the mobile device based on a comparison of the user profile with a present user profile of the present user, wherein the present user profile is generated later than the user profile, and the present user profile further comprises recent location information of the mobile device and recent motion behavior of the mobile device, wherein the recent location information and the recent motion behavior includes location information and motion information collected within a period of time from a present time, wherein the present time is a time in which the authentication is taking place.