Internet Security Essay - 737 words

Internet Security Internet is a computer network consisting of a worldwide network of computer networks that use the TCP/IP network protocols to facilitate data transmission and exchange. Years ago Internet was used only in military and science institutions. But later this network gained popularity among the common people. Nowadays, more than 13 million computers in 195 countries on every continent, even Antarctica are connected to Internet. We may say that a new era had began an era of virtual life. Every day more and more people visit cyberspace.


They work there, meet with the friends, communicate and entertain. With each passing day Internet became more similar to the real life. And like in the real life there are thieves in Internet. The World Wide Web contains a lot of valuable information, which can be used negatively. Michael R. Anderson states that he helped corporations and government agencies in finding their computer 'secrets'.


They want to identify their security risks and need the capability of conducting their own internal computer investigations (Internet Security - Firewalls & Encryption, New Technologies Armor, Inc. August 11, 2004) Jim Settle, the retired director of the FBI's computer crime squad, was quoted in USA Today as saying, "You bring me a select group of hackers and within 90 days I'll bring this country to its knees." He was talking about USA. I dont now, whether its true because there were no such incident but the possibility is rather high. So how can we protect our computers from the burglars? A network security incident is any network-related activity with negative security implications. This usually means that the activity violates an explicit or implicit security policy.(Security of the Internet, Carnegie Mellon University, February, 2004) There are few kinds of such incidents: the probe, scan, account compromise, root compromise, packet sniffer, denial of service, exploitation of trust, malicious code, and Internet infrastructure attacks. The intruders are very advanced in the programming.


They make different programs to automate the cracks. Trojan horses, viruses, and worms are widely spread in the Internet and you can easily catch one of them. Trojan horses and viruses are usually hidden in legitimate programs or files that attackers have altered to do more than what is expected. Worms are self-replicating programs that s ...................................................................................................................................................................................................................................................................................................................................................................

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Essay Tags: internet security, mellon university, carnegie mellon university, firewall, real life

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