SNOWDEN LEAKS A DOCUMENT WHICH ALLEGES THE NSA HACKING OF PUBLIC DATA FROM GOOGLE AND YAHOO DATA CENTERS.

Google was outraged when they heard that there network were being hacked by the US National Security Agency (NSA), by the alleged report leaked by edward snowden now in Russia, meaning, Google weren't securing thier data from the American security agency.
But, the NSA's Director, Gen  Keith Alexander on media denied the NSA were never authorized by the US Government to get involved in the US  companies computer.

Also, snowden also released documents, which alleges a legal access given by court to the NSA into Google and Yahoo,s data centers, called the prism.

The documents also claims the NSA, intercepted these streams of data outside the US inconjuction with British firm called the GCHQ, collecting the data in both , metadata' to text, audio and video, file formats,  In the NSA programs called the Muscular.

But, Google's chief legal officer David Drumund Claims the don't give access to NSA in his statement which says;
"We have long been concerned about the possibility of this kind of snooping, which is why we have continued to extend encryption across more and more Google services and links, especially the links in the slide," Drummond said in a statement.,he also added,

"We are outraged at the lengths to which the government seems to have gone to intercept data from our private fibre networks, and it underscores the need for urgent reform."

Also yahoo through their media spoke person, claims they have everything under control, and the NSA, can't have acces to thier datas, he says;

"strict controls in place to protect the security of our data centres, and we have not given access to our data centres to the NSA or to any other government agency"