This document provides an overview of biometrics including:
- A definition of biometrics as the automated recognition of individuals based on biological and behavioral characteristics.
- A brief history of biometrics starting in the 1850s with fingerprinting and facial recognition.
- Descriptions of the main tasks, characteristics, functions, roles, aspects, technologies, applications, advantages and disadvantages of biometric systems.
- A conclusion that biometrics relies on scientific knowledge and continues to advance, making it a more effective and reliable security technology.