Network Security

Do the following review questions

• 1.1 What is the OSI security architecture?
• 1.2 What is the difference between passive and active security threats?
• 1.3 List and briefly define categories of passive and active security attacks.
• 1.4 List and briefly define categories of security services.
• 1.5 List and briefly define categories of security mechanisms.
• 1.6 List and briefly define the fundamental security design principles.
• 1.7 Explain the difference between an attack surface and an attack tree.