ethical or malicious
Black Hats are hackers who hack for malicious reasons. Some of those reasons are to steal personal information or to delete or destroy important content.
these hackers are cosidered ethical hackers they hack in order to provide security for the computer. They often notify the administrator when a program has failed.
Hacking can be seen as good. lets say someone were planning to murder another being. That plan could be found through the internet and prevented.
Identity theft is something that has been known to occur because of hacking. These dangerous hackers can get ahold of anything you put on the web.