Gartner Research

OT Security Best Practices

Published: 14 September 2018

ID: G00352264

Analyst(s): Ruggero Contu, Lawrence Orans

Summary

Increasing replacement of OT infrastructure with IT systems is opening new vulnerabilities and risks that are pushing security and risk management leaders to update security approaches and strategies. We provide guidance for securing networks and endpoints in converged IT and OT environments.

Table Of Contents
  • Key Challenges

Introduction

Analysis

  • Maintain Your Focus on Safety and Reliability as Your Security Strategy Adapts to Converging IT and OT
  • Key Factors Driving Interest to a Centralized and Coordinated IT/OT Security Strategy
    • A Wide Range of Industry Verticals Impacted by OT-IT Convergence
  • Erosion in the Value of Air Gap as a Main Approach to Securing Merging Environments
    • Consider a Hybrid Architecture of Traditional Security Technologies and Specialist Controls to Protect OT Environments
  • Evaluate Existing Framework Models as Part of a Step-by-Step Approach to Coordinate an IT/OT/IoT Security Strategy
  • Apply All Stages of an Adaptive Security Architecture to OT

Gartner Recommended Reading

  • New Risks Coming From Converging IT With OT
    • Mounting Regulatory Compliance Pressure

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