Millions of Americans currently use mobile devices (eg: cellphones, smartphones, and tablet computers) on a daily basis to communicate, obtain internet-based information, and share their own information, photographs, and videos. Given the extent of consumer reliance on mobile interactions, it is increasingly important that these devices be secured from expanding threats to the confidentiality, integrity, and availability of the information they maintain and share. This book explores the current challenge of threats and controls to mobile device security with a focus on cyber threats to mobile devices; wireless device theft; and how to protect the data on your phone.