October 2020
Intermediate to advanced
376 pages
13h 58m
English
Content preview from Access Control and Identity Management, 3rd Edition
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Biometric Access Control Systems
Biometric access controls are those based on physical or behavioral traits. Traditional access controls are based on three concepts:
- What you know—A password or pass phrase
- What you have—A smart card or token
- What you are—Biometric traits
This section focuses on the last item and breaks it down further into “what you are” and “what you do.” The first concept deals with physical traits such as fingerprints and retinal patterns. The second covers behavioral traits such as typing speed and voice modulation.
Principles of Operation
Biometric systems are essentially sophisticated pattern recognition systems. They require a two-stage process:
- Enrollment—The process of taking one or more sample readings from ...
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