Russian hack on the Pentagon: Hackers struck last year at the heart of the U.S. military in 2015 – CBS News
Russian hackers struck at the heart of the U.S. military in August 2015 by seizing the e-mail system used by the Joint Chiefs of Staff, CBS News has learned. Then-Chairman of the Joint Chiefs Martin Dempsey was alerted to the attack by an early-morning phone call from the Director of the National Security Agency, Admiral…