... expert of any kind, a person one who enjoys the intellectual challenge of creativity overcoming or circumventing limitations and so on Now a days this definition is shifted to describe a person who uses a specialised knowledge of computer systems to obtain illegal or unauthorised access to a computer material. The wide popular use of the word hacking more or less eliminated the use of the word hacking for all other purposes and now indicates unauthorised access to a computer material. Hackers persist of distinguishing them self with crackers, hackers define the term hacker as one who is "intensely interested in the arcane and recondite working of any computer operation systems" cracker on the other hand is defined as one who "breaks into or otherwise violates the system integrity of remote machines, with malicious What motivates a person to hack can be complex; however the most obvious reasons are recognition, admiration, ...

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