Network security gives  protection against the unauthorized attack  of your monitor. Also gives  security against the misuse, modification and  denial of a computer network and network-accessible resources.

Network security involves the authorization of access to data in a network, which is controlled by the network administrator.
Users choose or are assigned an ID and password or other authenticating information that allows them access to information and programs within their authority.

Network security includes a variety of computer networks, both public network and private network.This is used in the every day transactions and communications. Networks can be private, such as within a company, and others which might be open to public access. 

Network can be either Public or Private, One is open to the Public and the other is within a company or firm that is Private. Network security is involved in organizations, enterprises, and other types of institutions.The easiest way of protecting a network is giving a unique user name and the appropriate password. 

Network security is a broad term that covers a multitude of technologies, devices and processes. In its simplest term, it is a set of rules and configurations designed to protect the integrity, confidentiality and accessibility of computer networks and data using both software and hardware technologies.

Network security is a wast area that covers technologies devices and processes. In this simplest term, there is a set rules and arrangements, this will protect the integrity, The computer network’s confidentiality and accessibility, Also both software and hardware  technologies data  will be safe through the network security. 

There are many layers to consider in Network security

• Physical Network Security
• Technical Network Security
• Administrative Network Security