Over the past few years, the stories of security breaches at large enterprises such as Sony, Target, and Home Depot have been making headlines. Many of my clients ask how this could happen to these organizations, what with their multi-million dollar IT budgets and substantial resources. The answer is both simple and complex at the same time. Allow me to explain...

These organizations are continually balancing their investment in technology and the cost of operating that technology, often on a daily basis. They try to minimize the complexity of their networks wherever possible, but unfortunately, minimizing complexity often results in decreased security; in particular, it results in a reduction of network segmentation, the act of splitting a computer network into subnetworks for the benefits of improved performance and security.

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