Iranian Hacking Raises U.S. Alarm.

The article discusses alarm among U.S. government officials concerning the capabilities of computer hackers linked to the Iranian government to infiltrate U.S. networks as of late December 2015. According to the article, Iranian hackers tapped into the control system of a New York dam in 2013. The article discusses the U.S. power grid, factories, and infrastructure as primary targets for hackers.