TECH

Cyber Attacks Caused Brazil Power Outages

Mar 18, 2010 | Updated May 25, 2011

(CBS) -- A series of power outages affecting millions of people in Brazil in 2005 and 2007 were the result of cyber attacks, "60 Minutes" has learned. The two-day event in Espirito Santo State affecting more than three million people in 2007 and another, smaller event in three cities north of Rio de Janeiro in January 2005 were perpetrated by hackers manipulating control systems.

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