[Andyfromgoogle]

Hi,
there are some forums that people share university passwords, in thosoe forums they call some of passwords by original thot means they obtained them and don't shared.
my question is how they do this, with witch method?
sql injection, xss, password crack or etc


i want do learn how and join them but they don't tell anything to me.

here is two of them:

passfans.net

boxue58.com

[John Player Special]

they use social engineering keyloggers targeted attacks and some times sqli