Hacking

Hacking,i am sure a lot of people know the meaning of hacking.
And i wont be suprised that some people can gain money with only hacking,with using the internet,hacking can be so easy.
Such as,with hacking people username and password (some user love to use they own name or they own birthday date as password) hacker can access to they bank account and steal a lot of money or even can make one company bankrupt.

But some of the hacker can help us gain some information that may help the police to solve a case and so on.