In popular usage and in the media, it generally describe computer intruders or criminals."Hacking" can be looked at as a collection of skills like a locksmith's ability to pick locks it can be used for good or evil.
We realize that the positive definition of hacker was widely used for many years before the negative, and could be considered more authentic. But, we prefer to follow the common popularusage since the positive form is confusing and not likely to overcome the negative connotation.We apologize to all the "good hackers" out there.