White House hacking reports highlight digital cold war between US, Russia

Reports this week about Russian involvement in computer intrusions at the US State Department and White House bring fresh attention to growing tensions between the two nations on cybersecurity matters. US officials have so far refused to confirm or deny reports claiming that Russian hackers were behind sophisticated attacks on unclassified networks at the White House and State Department last October. A few reports suggest that the hackers were acting on the instructions of the Russian govern