Gartner Research

Segmentation or Isolation: Implementing Best Practices for Connecting ‘All’ Devices

Published: 26 September 2019

ID: G00388335

Analyst(s): Tim Zimmerman

Summary

A wide range of new devices are being connected to enterprise networks, often without official knowledge or authorization. Infrastructure and operations leaders must establish categorization, segmentation and isolation policies to avoid disaster.

Table Of Contents
  • Key Challenges

Introduction

Analysis

  • Create a Device Certification Process for all Devices Passed by “Every” Device
  • Place “All” Devices Into One of Four Risk Categories
    • Corporate Devices
    • Guest Devices or BYOD
    • Trusted or Known IoT Devices
    • Untrusted or Unknown Devices
  • Architect a Virtual Segmentation Strategy for Segmented or Isolated Requirements Across Multivendor Campus Networks
    • Implement Segmentation
    • Standards-Based Segmentation for Multivendor Networks Requires Testing and Limited Encryption Options
    • Isolation May Be Needed in Addition to Segmentation

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