A REVIEW OF COMPUTER AND NETWORK SECURITY

In modern world, our entire life moves around Computers. Most of our tasks are dependent on the Computers,like Communication, Ticket Reservations, Researches,Printing,and Educationetc. When we communicate with each other by usingComputers through E Mails, a number of Computers are usedfor this purpose and the collection of these computers forms anetwork, which is called a Computer Network. As more andmorepeoples are going to be connected through the generalnetwork (INTERNET), the problem of security arises. Now aday, a number of security issues occur in networks whichinclude Sniffing, Spoofing, Security Attacks,Malwares,Unauthorized Access, etc. Thiswill create havoc for the users,who wants to communicate with each other through thesenetworks