How the U.S. Department of Energy cleaned up its data center and made it more secure.

KeyboardNuclear secrets and the Internet go together like locked doors and master keys. There is so much complexity in software code–not to mention the large quantity of code itself–that trying to find all the security holes and keep them plugged is a full-time job for an army of security experts.

So where are the biggest threats, how do they get in the door and how do you stop them? To shed light on this world, Forbes tapped Tom Pyke, former CIO of the U.S. Department of Energy. Prior to that, he was CIO for the Commerce Department and at the National Oceanic and Atmospheric Administration.

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