Hackers are breaking the systems for profit. Before, it was about intellectual curiosity and pursuit of knowledge and thrill, and now hacking is big business.

Steve Wozniak and Steve Jobs founded Apple Inc, which set the computing world on its ear with the Macintosh in 1984.

It was used for decades to describe talented computer enthusiasts, people whose skill at using computers to solve technical problems and puzzles was - and is - respected and admired by others possessing similar technical skills.

I get hired to hack into computers now and sometimes it's actually easier than it was years ago.

As a young boy, I was taught in high school that hacking was cool.

Should we fear hackers? Intention is at the heart of this discussion.

My actions constituted pure hacking that resulted in relatively trivial expenses for the companies involved, despite the government's false claims.

I was pretty much the government's poster boy for what I had done.

No way, no how did I break into NORAD. That's a complete myth. And I never attempted to access anything considered to be classified government systems.

Hackers are breaking the systems for profit. Before, it was about intellectual curiosity and pursuit of knowledge and thrill, and now hacking is big business.