Whether they?re clocking in to work, trying to enter a secure room or driving a company car, many workers are finding that the procedures for these everyday workplace occurrences are changing. To improve efficiency, combat fraud, and boost employee health and safety, employers increasingly are adopting biometric devices. Biometric technology analyzes the unique characteristics of a person through his or her fingerprints, irises, retinas, hand geometry, facial patterns, voice patterns or DNA information.