U.S. intelligence officials have identified four major cyber adversaries targeting American businesses and infrastructure, from China and North Korea to Iran. Only one — Russia — has yet to be publicly blamed by the Obama administration in a strategy that national security experts have dubbed "naming and shaming."
But after senior Democrats in Congress pointed the finger at Russia for hacking into the Democratic National Committee and trying to infiltrate the voter registration systems in nearly two dozen states, that may be about to change.