CHAPTER 1: OVERVIEW OF APPLICATION SECURITY NETWORK AND WEB
1.1 NETWORK SECURITY OVERVIEW
1.1.1 Introduction to Network Security
1.1.1.1 What is Network Security?
Network security is one of the areas in which the current information technology world is quite interested. Once the Internet came into being and development, information exchange needs to be needed. The purpose of networking is to make people can use the same network resources from different geographic locations. Therefore, resources easily distracted, obviously something that we enjoy being violated, causing data loss as well as valuable information. Connect the larger the more vulnerable to attack, which is a crucial principle. Since then, the issue of protection of information also appear and how cybersecurity was born.
For example: User A sends a file for User B in the range of Vietnam, it is different from the User A file sent to the User C in the United States. In the first case, the data can be lost with a small scope is domestic but later case, the loss of data with very wide scope is the whole world.
A network vulnerabilities are potential hazards . From a small security vulnerabilities of the system, but if you know how to exploit and take advantage of technical virtuosity hack could also become scourge.
According to the organization, the number of IC 3 internet criminals increasingly Sale rapid rise in just 8 years from 2001 to 2009 the number of crimes has increased almost 20-fold and predict future human numbers increased.
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