Abstract: A system and method is provided for visual authentication and authorization of a user for mobile touch devices, the system having: a login display on a mobile touch device displaying a visual pattern; a data collection engine whereby touch attributes are obtained from a plurality of user touch events to the mobile touch device with reference to the visual pattern, the touch attributes comprise measured touch attributes and derived touch attributes calculated from the measured touch attributes; an authentication engine whereby the touch attributes are compared to projected user touch attributes derived from user touch attribute values obtained during prior successful logins.