Biometrics for Dummies takes a look at what this young industry has to offer, how the various systems work, what factors come into play in choosing a biometric system for modern security needs, and what is coming to market in the future. Covers pattern recognition, double-factor authentication, system implementation considerations, identifying errors and determining a system’s accuracy, integrating biometrics with an existing security system, establishing a biometrics policy and dealing with privacy issues, and discusses emerging biometric technologies and case studies of biometrics in action.