Securing Internal Networks: The Evolving Role and Requirements for Intrusion Prevention Systems for Public Sector Organizations

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Executive Summary

This paper explores the prevailing conditions driving the need for enhanced, internal network security as a prerequisite for establishing a logical set of technical countermeasures that will help meet this increasingly common objective. The focus then shifts to one of the most promising of these countermeasures, the network Intrusion Prevention System (IPS). Details are provided on how this historically perimeter-centric control has evolved, and the key requirements that should be met for a solution that will be operating at the core of the network, as well as at other strategic locations internally.

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