Biometrics
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This document discusses biometrics as an advanced technology for security and authentication. It describes different methods of biometric verification including fingerprint, retina scan, DNA analysis, typing patterns, signatures, and voice recognition. Biometrics can be used for identification by searching biometric databases or for verification by matching a submitted biometric to an existing record. While biometrics provide strong security, they also have limitations such as high costs, storage requirements, and potential for data loss affecting the security system.
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Biometrics
- 1. BIOMETRICS
- 2. CONTENTS • Introduction. • Security And Authentication. • Methods Of Verification. • Identification. • Verification. • Advantages. • Limitations. • Conclusion.
- 3. Introduction “Biometrics” is an advances technology for superb security and authentication. The term “Bio” means biological study and “metrics” means measurement.
- 4. There are Two security methodologies In Biometrics. • Token Based Security . • Secret Based Security.
- 5. Security And Authentication • Permissions. • Permission Hierarchy.
- 6. Permission Hierarchy System administrator Database Owners Database Object Owners Database Users
- 7. Methods Of Verification • PSYCHOLOGICAL VERIFICATION . • BEHAVOURAL VERIFICATION.
- 8. Psychological Verification • Psychological Verification involves in the verification of the organs of the human being, which will have unique identification and does not match with others.
- 9. Types Of Psychological Verification • Finger print. • Hand Print. • Face Measurement. • Retinal Scan. • DNA analysis.
- 10. Finger Print It involves the user placing his finger over a glass-plate,which resides over a high resolution camera ,which uses optical or electromagnetic means to take its snapshot.
- 12. Hand Print It compares a 3D image of the users hand to that present in the system database.It is similar to the finger print verification.
- 13. Face Measurement This technique enables the computer to use your face as your password and matching these to an existing database.
- 15. Retinal Scan The retina is an internal part of the eye located at the back of the eye and is get of thin nerve which sense the light coming through a camera ,pupil eye lenses.
- 17. DNA analysis It is used to identify people who are died, to find out the relationship like identifying child's natural parents
- 18. Behavioral Verification • This involves in oral thing done by the individual . • There are three types of behavioral verification. • Typing • Signature • Voice
- 19. Typing Some systems measure things you do in addition to the things you are, you will notice that your typing has a certain pattern. Some letters follow others in quick succession, while others take longer.
- 20. Signature Some qualities looked into include acceleration rates, direction, and pressure and stroke length. Here mainly concentrate on pressures. This pressure stored in back end for future signification.
- 21. Voice It involves in the recognition of the voice of the individual.
- 22. Mixed form Biometrics Some times use more than one form biometrics. This mixed form provide more security. Here combine more than one type. Even 80% equals with database then access provide to user.
- 24. Identification It is a process of recognition and involves taking the biometrics data and searching for the match in the database asking it a slow process that it is more prone to errors. ->Authentication ->FAR ->FRR
- 25. Advantages • It provides good security mechanism than other security methods. • It never fails in security constraints. • In public locations such as banks and airports a large number of people transit every day including known criminals. Face recognition system attached to video surveillance systems are supposed to help catch them.
- 26. Limitations • It needs high memory space in the back end. • Collect data for security is difficult. • Some times fails the security with right users. • Any time data loose in database high effect for security mechanisms. • So many requirements are needed for provide this technology • it highly expensive.
- 27. Conclusion Security is not just about putting big locks on the front door; it also involves making sure all the windows are shut. Each one can be individually fooled , but the comparison makes the system more secure as a whole. Biometrics are have its own advantages and disadvantages.it high expensive but it provides high security.