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Biometrics

Definitions:

  A measurable physical characteristic or personal behavioral trait used to recognize the identity, or verify the claimed identity, of an applicant. Facial images, fingerprints, and iris scan samples are all examples of biometrics.
Sources:
NIST SP 800-12 Rev. 1

  Automated recognition of individuals based on their biological or behavioral characteristics. Biological characteristics include but are not limited to fingerprints, palm prints, facial features, iris and retina patterns, voice prints, and vein patterns. Behavioral characteristics include keystroke cadence, the angle of holding a smartphone, screen pressure, typing speed, mouse or mobile phone movements, and gyroscope position, among others.
Sources:
NIST SP 800-63-4 [

  

] under biometrics
NIST SP 800-63A-4 [

  

] under biometrics

  The science and technology of measuring and statistically analyzing biological data. In information technology, biometrics usually refers to automated technologies for authenticating and verifying human body characteristics such as fingerprints, eye retinas and irises, voice patterns, facial patterns, and hand measurements.
Sources:
NISTIR 7316