The term biometric refers to the various methods for recognizing human beings based on their unique physical or behavioral traits. Biometric characteristics are divided into two main categories: Physiological (referring to things like fingerprints, facial features, DNA, iris recognition, body odor) and Behavioral (referring to things like typing rhythm, gait and vocal pattern).
The United States uses biometrics in a variety of applications, the most widely known are the Department of Defense’s Common Access Cards. This card is the ID card that is issued to all U.S. military personnel and contractors working on military bases. The cards contain biometric data and digitized photographs along with laser etched photographs and holograms for added security against falsification.
The dangers that arise from biometric ID systems are that thieves may stalk and assault the property owners to gain their biometric data to access the items or information. Like in a science fiction movie where someone’s hand is severed to gain access to a secret room or something of that nature (which has actually happened).
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