'Lone hacker' claims responsibility for cyber attack on Democrats

(Reuters) - A "lone hacker" has taken responsibility for a cyber attack on the U.S. Democratic National Committee, which the DNC and a cyber-security firm have blamed on the Russian government. The DNC and cyber firm CrowdStrike disclosed the attack on Tuesday, saying that hackers working for Russia broke into the DNC's computer network, spied on internal communications and stole research on presumptive Republican presidential nominee Donald Trump. On Wednesday, an individual using the moniker G