Introduction.

Chapter 1: A Systems Analysis Approach to Information Technology.

Chapter 2: Security as a Process.

Chapter 3: Understanding How Network Systems Communicate.

Chapter 4: Topology Security.

Chapter 5: Firewalls.

Chapter 6: CiscoÕs PIX Firewall.

Chapter 7: Intrusion Detection Systems.

Chapter 8: Authentication and Encryption.

Chapter 9: Virtual Private Networking.

Chapter 10: Viruses, Trojans, and Worms.

Chapter 11: Disaster Prevention and Recovery.

Chapter 12: The Wide World of Windows.

Chapter 13: Unix-Based Systems.

Chapter 14: The Anatomy ofan Attack.

Chapter 15: Security Resources.

Appendix A: Operating System Security Checklists.

Appendix B: Sample Network Usage Policy.

Index.