Essay by EssaySwap ContributorCollege, Undergraduate February 2008

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The meaning of Hacker is one who accesses a computer, which cannot supposedly be accessed by non-authorized people of the community. Hackers may use any type of system to access this information depending on what they intend on doing in the system. Computer hackers usually start off young, thinking that it is nothing but a little harmless fun. But as they get older, they realize it has turned into an addiction. Methods, protection and major hacks will be discussed in this paper.

Hackers may use a variety of ways to hack into a system. First if the hacker is experienced and smart the hacker will use telnet to access a shell on another machine so that the risk of getting caught is lower than doing it using their own system. Ways in which the hacker will break into the system are: 1) Guess/cracking passwords. This is where the hacker takes guesses at the password or has a crack program to crack the password protecting the system.

2) Finding back doors is another way in which the hacker may get access to the system. This is where the hacker tries to find flaws in the system they are trying to enter. 3) One other way in which a hacker may try to get into a system is by using a program called a WORM. This program is specially programmed to suit the need of the user. This program continually tries to connect to a machine at over 100 times a second until eventually the system lets in and the worm executes its program. The program could be anything from getting password files to deleting files depending on what it has been programmed to do.

The only way that you or a company can stop a Hacker is by not...