-i agree with al of u guys,,as long we can take responbility for act ,,or may say ..we know what we do,,so they hack everything not only in internet..its all about cross the limit of knows..they curious is more than normal people and had amazing spirit to learn something and hacked-cracked never stop untill they done ..i think like that,,about legality is depend what they hack...some defacer web also got thanks for the owner web couze they given sign board with deface ..tell that no security in web,,ask him to patch..they only deface one page or just edit news topic ,,imagine if some one deleted all ur web files...?,,,