cyber attacks

The indictment described the suspects as "experienced computer hackers" believed to have been working on behalf of the Iranian government.
An AP investigation revealed that the U.S. power grid has been the target of several cyberattacks from foreign hackers in the past decade.
"Protecting our industry from cyber threats is hard, probably one of the hardest things we are facing because we do not know what we are facing or for what we have to prepare."