Hacking is an interesting way to discover the myriad of latent aspects of the wonderful world of computers. The more one tries to learn about it, the more one gets inquisitive about the different domains he can probe into. However, one should always try to understand and follow cyber laws, before trying out one's hand at hacking.
Read more at Buzzle: http://www.buzzle.com/articles/what-is-computer-hacking.html