What is Computer Hacking ?

Computer hacking is a process to bypass the security mechanisms of an information system or network.

OR

In common usage, hacker is a generic term for a computer criminal, often with a specific specialty
in computer intrusion. While other definitions peculiar to the computer enthusiast community
exist, they are rarely used in mainstream context...

OR

Computer hacking is an unauthorized use of computer and network resources. (The term "hacker" originally
meant a very gifted programmer. In recent years though, with easier access to multiple systems,
it now has negative implications.)