Network Security

Network Security

Abstract:

“Privacy and security is must for me, you and others”

For the few decades of their exixtence, computer networks were primarily used for university researchers for sending e-mail and by corporate employees for sharing printers.

Under these conditions, security did not get a lot of attention. But now, as millions of ordinary citizens are using network for banking, shoping and filling their tax, network security for all this purpose is the problem. In this paper we have tried to point out the problems to computer and networks we have also reveals how to tackle this problems using method like firewall and cryptography.

Our focus is mainly on the cryptographic techniques. We have included RSA method which is used by many Network Security Software Developers.

Security is a broad topic I have covered almost all the basics with sufficient information.

Introduction To Network Security :

Network:

A network is a data highway deigned to increase access to computer systems. Any number of computers can be connected to form a network.

Security:

Whenever we use term network the word security come with it. Security in network is nothing but to control access to resources, data.

Network Security:

The process of protecting data and equipment from unauthorized access is collectively known as network security.

Need for Security:

Most initial computer applications had no,or at best very little security.ths continued for a number of years until the importance of data was truly realized. Until then, computer data was consider to be useful, but not something to be protected. When computer applications were used to handle financial and personal data, the real need for security was felt like never before. People realized that data on the computer is an extremely important aspect of modern life. Therefore ,various areas in security begin to gain prominence.


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