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.

Chapter Contents:

• 7.1 Introduction
• 7.2 Biometric system modules
• 7.3 Data collection
• 7.4 Feature extraction
• 7.4.1 Name-based features
• 7.4.2 Positional features
• 7.4.2.1 Location features
• 7.4.2.2 Motion features
• 7.4.3 Touch features
• 7.4.4 Voice features
• 7.5 Research approaches
• 7.5.1 Application traffic
• 7.5.2 Text
• 7.5.3 Movement
• 7.5.4 Touch
• 7.5.5 Multimodal approaches
• 7.6 Research challenges
• 7.7 Summary
• References

Inspec keywords: feature extraction; mobile computing; biometrics (access control)

Other keywords: data collection; mobile device; mobile platforms; feature extraction; data usage; behavioral biometrics

Subjects: Data security; Mobile, ubiquitous and pervasive computing