Beginning of Essay
The meaning of Hacker is one who accesses a computer which is supposably not able to be accessed to non authorised people of the community. may use any type of system to access this information depending on what they intend on doing in the system. Methods may us ....

Middle of Essay
.... of the user. This programme 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. Protection The only way that you or a company can stop a Hacker is by not having your computer connected to the net. This is the only sure fire way in which you can stop a hacker entering your system. This is mainly because hackers use a phone line to access the system. If it is possible for one person to access the system then it is possible for a hacker ....