In the annals of what-was-I-thinking moments in computer security, this has to be one of the most gobsmacking. According to a Bloomberg News investigation of a series of undisclosed corporate data breaches, Coca-Cola was deeply penetrated by hackers in 2009 in what started with an e-mail with this subject line: Save power is save money! (from CEO) The message landed in executive Paul Etchellss inbox on Feb. 16, 2009, according to a document obtained by Bloomberg. Here is the story of how some security awareness training could have potentially saved a deal in the hundreds of millions.