As Edward Snowden has leaked the PRISM (surveillance program) by NSA and making it clear that the NSA can spy on 75% of US internet traffic. NSA (National Security Agency) is a security agency of US and the information provided by Edward (NSA contractor) has obviously sparked a global controversy and debate about the reach of US Spy agencies. It is being said that in this way some day US will Spy on any of the country using it’s such internet tricks, and obviously it’s not good for other countries.