Chapter 1: Foundation

• Chapter 7

• Security in Networks

• Security in Computing, 4th Ed, Pfleeger

• Part 2: Network Security Control

Network Security Controls

• Previous chapters have presented several strategies for addressing security concerns,
• such as encryption for confidentiality and integrity, reference monitors for access control, and overlapping controls for defense in depth
• These strategies are also useful in protecting networks.
• Subsequent sections provide detailed explanations for three particularly important controls
• firewalls, intrusion detection systems, and encrypted e-mail.