Biometric recognition is a computer system that allows you to identify a person based on physiological and behavioral characteristics.

The evolution of cyber threats is increasingly putting traditional user ID and password-based access methods at risk to authenticate digital identity, prompting companies to adopt new technologies and more secure systems for users.
Therefore, more and more often we resort to advanced technological systems that allow you to improve your IT security.
One of these methods that allow for greater privacy is biometric recognition.

What is biometric recognition?

Biometric recognition allows for greater privacy since it is a method based on the recognition of fingerprints, speech and facial. In fact, biometric recognition is a computer system that allows you to identify a person based on some of his main physiological and behavioral characteristics. It is based on hardware systems for data acquisition which integrate the software components that allow, through mathematical algorithms, to perform data analysis and reconstruct the identity of a person and recognize it.

Therefore, from these first definitions of what biometric recognition is, the difference with the recognition systems based on user ID and password appears clear: those based on biometrics are systems with which the identity and uniqueness of a person can be established. person; with ID and password, in reality, we only know that a person has the information to access a service or an app, without defining who the person who has such access information is.

Physiological and behavioral characteristics

In general, the physiological characteristics are the most static ones, little variable over time while the behavioral ones undergo variations and can also be influenced by external factors or by particular emotional conditions such as stress or strong psychological impacts.

In particular:

  • among the physiological characteristics we can find fingerprints, height, weight, color and size of the iris, the retina, the shape of the hand, the shape of the ear, the physiognomy of the face;
  • among the behavioral characteristics , on the other hand, we find the vocal imprint, the writing, the typing style on the keyboard, the body movements, the style and the progress of the walk.

Biometric recognition for mobile phones

The one based on the fingerprint today is a very widespread biometric recognition system for mobile phones as an authentication method for access, both in physical places and for the use of digital services. This method is mainly based on two important peculiarities:

  • immutability , the characteristics of the footprints do not change over time;
  • individuality , the imprint is unique from individual to individual.

Shortly after the fingerprint, biometric recognition systems based on iris scanning have grown considerably. Another biometric recognition method for mobile phones considered among the most reliable both for the verification of an identity and for the identification of a person because the acquisition of the detailed representation of the colored portion of the eye results in a unique code for each individual individual and therefore allows its recognition.
Furthermore, in recent years we have also seen the emergence of two new recognition systems: the voice and the facial. Both spread very quickly to the general public and entered people’s daily lives almost completely naturally.

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