In 2013, Snowden leaked classified information from the U.S. National Security Agency (NSA).
The documents were leaked to media outlets including the Guardian.
On June 23, he flew to Moscow, Russia, where he reportedly remained for over a month.
Later that summer, Russian authorities granted him a one-year temporary asylum which was later extended to three years.
As of 2015, he was still living in an undisclosed location in Russia while seeking asylum elsewhere.
You cant distinguish a properly encrypted communication from random behaviour.
Human race in that case would not be even aware that it had got such communications.
Only, Tyson replied jovially, if they have the same security problems as us.
source: www.techworm.net