Scientists and developers continue to pursue technology for automated determination or confirmation of the identity of subjects based on measurement of physiological traits or human behavior. Biometric User Authentication for IT Security: From Fundamentals to Handwriting convey the general principals of passive (physiological traits such as fingerprints, iris, facial) and (a learned behavior and trained as voice, handwriting and gait) biometric recognition techniques to actively reader. Unlike other publications in this region that concentrate on passive schemes, this book reflects a more comprehensive professional analysis of one particular active biometric technique: handwriting.