Biometrics for Network Security

Chapter 1. Introduction

Stop! Right now, think of how many passwords and personal identification number (PIN) codes you have to remember. Now, think back to when you started using passwords and PIN codes. How many did you use then compared to now? For most of us, the number of passwords and PIN codes we currently have is somewhere between 5 and 8. For some, that number can be as high as 12 to 15. How often do you forget them? It is very inconvenient to remember those codes. Now, do you have your fingers, eyes, voice, and face with you? The answer hopefully is yes! Have you ever forgotten any of those body parts? Not very likely! What if we could use those body parts instead of passwords and PIN codes to verify who you are? Would that not be more ...