The advantages of biometrics are the person is the key so you need never remember your card or key again. Each body part is unique and Biometrics uses your unique identity to enable a purchase activate something or unlock something. Biometrics encompasses Voice, Vein, Eye, Fingerprint, Facial recognition and more.
The finger print of those people working in Chemical industries are often affected. Therefore these companies should not use the finger print mode of authentication.
It is found that with age, the voice of a person differs. Also when the person has flu or throat infection the voice changes or if there there are too much noise in the environment this method maynot authenticate correctly. Therefore this method of verification is not workable all the time
For people affected with diabetes, the eyes get affected resulting in differences.
Biometrics is an expensive security solution.
Advantages of Biometrics :
- Unique: The various biometrics systems have been developed around unique characteristics of individuals. The probability of 2 people sharing the same biometric data is virtually nil.
- Cannot be shared: Because a biometric property is an intrinsic property of an individual, it is extremely difficult to duplicate or share (you cannot give a copy of your face or your hand to someone!).
- Cannot be copied: Biometric characteristics are nearly impossible to forge or spoof, especially with new technologies ensuring that the biometric being identified is from a live person.
- Cannot be lost: A biometric property of an individual can be lost only in case of serious accident.
The disadvantages are numerous however: criminals have been known to remove fingers to open biometric locks, Biometrics requires a lot of data to be kept on a person, these systems are not always reliable as human beings change over time if you are ill; eyes puffy, voice hoarse or your fingers are rough from laboring for example it maybe more difficult for the machinery to identify you accurately. Every time you use Biometrics you are being tracked by a database bringing up a range of privacy issues. The final disadvantage is the expense and technical complexity of such systems.
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