CHAPTER 17 NETWORK MANAGEMENT 17-2 Why Network Security is Needed Large and small organizations of all types are becoming increasingly dependent on networks to carry on their activities o In the past, networks were main private. easy to control with the rise of the Internet and its use for conducting business, network are more open OIt is virtually impossible to eliminate all network security www.gxmu.edu.cn17-2 Why Network Security is Needed ⚫large and small organizations of all types are becoming increasingly dependent on networks to carry on their activities. ⚫In the past, networks were main private. easy to control. ⚫ with the rise of the Internet and its use for conducting business, network are more open. ⚫It is virtually impossible to eliminate all network security . www.gxmu.edu.cn CHAPTER 17 NETWORK MANAGEMENT