Iris Biometric Model for Secured Network Access

VII

Contents

Ac k n o w l e d g me n t s xiii

In t r o d u c t I o n xv

Part 1 State of th eart

Ch a P t er 1 SeC urit y o f Co m Put er Net wo r kS 3

1.1 General Overview on Different Risks forand Means

of Computer Defense 3

1.2 Level of Security and Risks 3

1.2.1 Risks at the Physical Level 4

1.2.2 Risks at the Level of Access to Data and

eir Transmission across the Network 4

1.2.3 Risks at the Network Level 5

1.3 Means of Defense 5

1.3.1 Means of Defense at the Physical Level 6

1.3.2 Means of Defense at the Level of Data and

eir Transmission across the Network 8

1.3.3 Means of Defense at the Network Level 10

1.4 Conclusion 12

Ch a P t er 2 Bi o m e t ri C SySte m S 13

2.1 Introduction 13

2.2 General Definition of a Biometric System 14

2.3 ...