Before you continue reading this thread, ask yourself a question, what do you think when you hear the word hacker? Most people perceive the word as someone who commits a crime, such as stealing, from a computer. That brings me to the point of this thread, what's your opinion on hackers? Do you think they are good or bad?
Here's my opinion:
The word "hacker" has been misused and kicked around in the mud for so long people no longer know the original definition. Although I don't know the original defintion off of the top of my head, its along the lines of something like;
"A person who delights in having an intimate understanding of the internal workings of a system, computers and computer networks in particular."
Some claim that the term has been unrecoverably corrupted, and acquired a new meaning that we should simply accept. This descriptivist approach is predicated upon the assumption that there's no reasonable way to communicate effectively with the less technically minded without acquiescing to the nontechnical misuse of the term "hacker". I believe it's still useful to differentiate between hackers and security crackers, though, and that terms like "malicious security cracker" are sufficiently evocative and clear that their use actually helps make communication more effective than the common journalistic misuse of "hacker".
Dumbed down version of my opinion:
Hackers = Good