The biggest 'hackers' where I am from are the NSA and the CIA monitoring everyone against their knowledge or will - federally sponsored :) Here are a list of few of the important things that Edward Snowden brought to light to warn us of a big brother police state and various other things, all proven to be true.

http://mashable.com/2014/06/05/edward-snowden-revelations/#j0L35TJBAPq8