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Cisco ISE for BYOD and Secure Unified Access, 2nd Edition by Jamey Heary, Aaron Woland

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Introduction

Today’s networks have evolved into a system without well-defined borders/perimeters that contain data access from both trusted and untrusted devices. Cisco broadly calls this trend borderless networking. The Cisco Secure Access architecture and Cisco Identity Services Engine (ISE) were developed to provide organizations with a solution to secure and regain control of borderless networks in a Bring Your Own Device (BYOD) world.

A few basic truths become apparent when trying to secure a borderless network. First, you can no longer trust internal data traffic. There are just too many ingress points into the network and too many untrusted devices/users inside the network to be able to trust it implicitly. Second, given the lack of internal ...

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