U.S. Said To Be Target of Massive Cyber-Espionage Campaign

Nakashima, Ellen. "U.S. Said To Be Target of Massive Cyber-Espionage Campaign." The Washington Post, February 10, 2013. 

From the article: "A new intelligence assessment has concluded that the United States is the target of a massive, sustained cyber-espionage campaign that is threatening the country’s economic competitiveness, according to individuals familiar with the report.

The National Intelligence Estimate identifies China as the country most aggressively seeking to penetrate the computer systems of American businesses and institutions to gain access to data that could be used for economic gain." Read more