The United States on April 23 disclosed a cyber intrusion by Russian hackers who accessed an unclassified U.S. military network this year, in an episode Defense Secretary Ash Carter said showed the growing threat and improving U.S. ability to respond.
Reuters: Pentagon says evicted Russian hackers who penetrated network
Joint Chiefs of Staff Martin Dempsey (L) and U.S, Secretary of Defense Ash Carter speak to the media during a briefing at the Pentagon April 16, 2015 in Arlington, Virginia.
