Spending on security solutions delivered via the cloud will account for a larger piece of the IT pie over the next several years, as companies look for easier, cheaper ways to protect their data and infrastructure, analysts say. According to a report from Gartner, cloud-based security will account for $4.2 billion in global revenues by 2016, with the "shift in buying behavior" driven in part by a lack of skilled workers and the need to meet compliance goals.

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