One area of concern for access control is tailgating. Tailgating is a breach of security where an unauthorized person piggybacks their way into a facility when an authorized person gains access with their authorized credentials. Which biometric technology would a company implement to assist in combating this threat?
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Answer Description
Gait analysis biometrics such as pressure-sensitive flooring or motion-capture cameras can detect multiple individuals entering a secure space using only one person’s authorization.
Wikipedia
Gait analysis is the systematic study of animal locomotion, more specifically the study of human motion, using the eye and the brain of observers, augmented by instrumentation for measuring body movements, body mechanics, and the activity of the muscles. Gait analysis is used to assess and treat individuals with conditions affecting their ability to walk. It is also commonly used in sports biomechanics to help athletes run more efficiently and to identify posture-related or movement-related problems in people with injuries.
The study encompasses quantification (introduction and analysis of measurable parameters of gaits), as well as interpretation, i.e. drawing various conclusions about the animal (health, age, size, weight, speed etc.) from its gait pattern.
Gait_analysis - Wikipedia, the free encyclopedia 