U.S. authorities have seized dozens of Internet domains that Russian intelligence-backed hackers used as part of a sophisticated campaign to gain access to U.S. government computers.

U.S. authorities and Microsoft say hackers linked to Russian intelligence targeted dozens of former military and intelligence officials, journalists and civil society groups with a sophisticated campa

Russians used 'seemingly legitimate email accounts to trick victims into revealing account credentials,' the DOJ says. Targets included Defense and State Department officials.