Outline Why to begin this subject? 口 Network Security a System Security What is in this course? a Network protocols and problems a System security configuration and programming 知己知彼,百战不殆。Outline ◼ Why to begin this subject? ❑ Network Security ❑ System Security ◼ What is in this course? ❑ Network protocols and problems ❑ System security configuration and programming ◼ 知己知彼，百战不殆