US Patent 9792462 Suspicious portable device movement determination

A system and method to determine suspicious movement of a portable device are disclosed. A determination is made that an update received by a local device was sent from a remote device different than the local device. A suspicious movement of the local device is determined based upon determining that the local device is moving at a time associated with the update and based upon determining the update originated from the remote device. Based on determining the suspicious movement, a notification of unauthorized device movement is provided.