Companies in a rush to deploy virtualization technologies for server consolidation efforts could wind up overlooking many security issues and exposing themselves to risks, warns research firm Gartner.

Virtualization software offers the ability to run multiple operating systems, or multiple sessions of a single operating system, on a single physical machine, whether server or desktop. But virtualization software, such as hypervisors, present a layer that will be attacked and security strategies need to be put in place in advance, Gartner warns.

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