Agreed. For instance someone who breaks into web apps but doesn't use this skill to sell user data or steal from users is not a cracker IMO, but a hacker (he co

Agreed. For instance someone who breaks into web apps but doesn't use this skill to sell user data or steal from users is not a cracker IMO, but a hacker (he could do this to satisfy its curiosity, for fun, or to tell the webmasters how to secure their web app better). Hacker is a word with many valid definitions.