Diagram showing three main types of cloud comp...

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By NICK CLAYTON – WSJ.com
As the much-hyped next big thing in information technology, the cloud in cloud computing seems almost too apt as a metaphor. Constantly moving and changing, impossible to pin down and the closer it gets, the harder it is to distinguish from fog.

It has divided opinion. On one side are those who believe the cloud represents nothing less than a revolution that will bring a golden age of cheap, efficient and agile computing on tap. Lined up against them are skeptics who have seen variations on these promises for decades, which have never been fully delivered. However, the single biggest concern weighing on the minds of those chief executives looking to embrace cloud technology is security. Once businesses are happy their data is truly safe in the cloud, only then will this technology transform the world.

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How to manage risks in the world of cloud computing

How to manage risks in the world of cloud computing