Biometric Data is any kind of data containing information about physical or physiological features of a human being that allows to identify a particular individual. For this reason, biometric data is a sensitive personal data because their abuse can lead to a disclosure of medical information about an individual or to forging identity.
Some biometric data such as finger prints or voice, can be falsified by technology.
What information is classified as biometric data?
The most frequent use is made of the following biometric data:
- finger print
- iris or eye retina - image of iris pattern or retina blood vessels
- face geometry - measures the distance between parts of the face, such as eyes, nose, mouth, and other
- ear shape - unique ear dimensions and shape
- geometry of the hand or other body parts
- “voiceprints” - patterns of one’s voice
- DNA - a unique chain of deoxyribonucleic acid
- signature dynamics - measures differences in pressure dynamics and writing speed
How are biometric data used?
Biometric data must be captured in a precise and confidential manner, assigned to the person and stored safely. This will produce a sample, a reference.
When identifying an individual, this reference data is compared to data captured by a reader. If the reference and the captured data matches, the person (e.g. a user) is identified and he or she is allowed to perform the corresponding action - for example can be granted access somewhere either physically or on the computer.
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