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Self-Defending Networks: The Next Generation of Network Security by Duane De Capite

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About the Contributing Author

Denise Helfrich is a technical marketing engineer at Cisco Systems, Inc. Denise has been at Cisco since 2000 and in the telecommunications and networking business for more than 20 years, focusing on technical training and technical marketing. She currently works for the World Wide Sales Force Development group, creating and supporting technical training e-labs worldwide for various Unified Communication solutions. During the previous five years, Denise worked for Cisco in the Router Technology and Security Technology business units, developing training and marketing content and supporting various new router and router security products, such as Network Admission Control.

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