Department of Homeland Security says thousands of U.S. industrial control systems remain vulnerable. The agency’s Monthly Monitor, covering October-December 2012, also reported that two researchers exposed a significant attack surface per state. The report also profiled a couple of unnamed utility operators that were not following even the most basic security protocols. Security experts have said Panetta and others are going overboard with comparisons to acts of war or terror that leave thousands dead. But some security experts agree that there are real risks.”]