Mobile device usage data as behavioral biometrics

This chapter provides a broad overview of the advancements made on mobile platforms in regards to behavioral biometrics via usage data. Section 7.2 introduces the modules necessary for a complete biometric system. Sections 7.3 and 7.4 further elaborate on the data collection and feature extraction modules, respectively, as they relate to mobile device usage data. Section 7.5 provides an overview ofrelated research literature. Finally, Section 7.6 discusses several research challenges in this area and Section 7.7 summarizes the chapter.