Forrester’s Zero Trust Model of information security advocated a new way of securing the network, and microsegmentation is the first marquee technology to step up to the challenge. Rising from the ashes of the dashed expectations of network access control (NAC), proprietary microsegmentation solutions take on different forms to reach the goal of granular, least privileged network access. Security and risk professionals should use this report to understand the capabilities of emerging vendors within major segments of the microsegmentation market and to inform their technology strategies.