If you don't know exactly what a hacker is, join the club. Many people don't understand the term or its true implications. The meaning has changed a bit over the years and through the evolution of the Internet. In the most familiar sense, a hacker is anyone who attempts to break into computer systems by surreptitious means. But, as you'll see, there's more to being a hacker than simply trying to steal a password or break into someone's Facebook account. There are hackers who work for large comp