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A few weeks ago Gartner released its annual Hype Cycle for Infrastructure Protection, 2016. It’s an impressive and exhaustive guide to the wide range of threat-facing technologies that help defend IT. Included among these technologies is Network Security Policy Management (NSPM) tools, which Gartner gives a benefit rating of ‘High’ – which in Gartner terms means that the technology “Enables new ways of performing horizontal or vertical processes that will result in significantly increased revenue or cost savings for an enterprise”.
In this post I'll discuss two scenarios: in a ‘Greenfield’ scenario, you’re building and deploying brand new applications into a virtualized data center. Clearly, this is an ideal situation, because you can essentially bake in security from the ground up. It is more likely, however, that you’ll have a ‘Brownfield’ scenario, where you are migrating existing business applications to a virtualized data center. In this case you need to migrate and adjust existing security policies for the new virtual environment.