HACKING

Computer hacking is something that exists from a very long time. This articles says the different things hackers do. Hacking is done for financial gain, sometimes for political purposes to advance some cause, and sometimes it is done just for good 'ol fashioned mud slinging in a local circumstance. There are some hacking systems that are vert expensive and are used by the goverment. Hackers use this ability for many reasons.
The following link, shows some examples of real cases of people hacking. This will be of great help to beware of what's going on around the world and see the different hacking examples you can be exposed to.
http://www.witiger.com/ecommerce/hackingexample.htm