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From Forbes.com: Technology News:
Cyber-security experts have long warned of the vulnerability of critical infrastructure like power, transportation and water systems to malicious hackers. Friday, those warnings quietly became a reality: Tom Donahue, a CIA official, revealed at the SANS security trade conference in New Orleans that hackers have penetrated power systems in several regions outside the U.S., and "in at least one case, caused a power outage affecting multiple cities."
"We do not know who executed these attacks or why, but all involved intrusions through the Internet," Donahue said in a statement. "We suspect, but cannot confirm, that some of these attackers had the benefit of inside knowledge."
Other details were murky: Donahue didn't say when or where the cyber attacks had occurred, or how many people had been affected. He also glossed over what element of the systems had been exploited.
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