Hacker Attacks Top Latest U.S. List of Global Threats

Hostile hackers or an “isolated state” may succeed in breaching U.S. computer networks and disrupting power grids and other vital services in the next two years, the top U.S. intelligence official told Congress today.

James Clapper, the U.S. director of national intelligence, didn’t identify which states might conduct such an attack “as a form of retaliation or provocation,” though the U.S. commonly applies such language to describe nations such as Iran, North Korea, and Syria.