Hacking

I watched a movie on it recently and it revived my interest in something I've always been curious about, along with the Usenet and BBS underworld of days gone by. So, how is a hacker made? How do you know about and use exploits in code or whatever it is you do? Where can aspiring hackers learn what they need to learn?

"Just been talking to this idiot on MSN. He wants to hack a friend's myspace profile to remove an embarrassing picture of him. What a faggot.

"Oh yeah, here's the picture:

"http://c.myspace.com/Groups/00010/11/01/10621011_l.jpg";

[http://dis.4chan.org/read/prog/1178711852/14]