Episode 92

Mitsubishi’s Billion-Dollar Bet on OT Cybersecurity with Nozomi Acquisition

Published on: 23rd September, 2025

Hosts Craig and Dino discuss Mitsubishi's billion-dollar acquisition of Nozomi Networks and its implications for operational technology cybersecurity. They address how this major deal affects the industrial security market.

The conversation covers IT/OT convergence challenges, managed services, vendor partnerships, and AI in cybersecurity decision-making.

Craig and Dino share practical insights for security leaders and engineering professionals working in industrial environments.

Topics covered:

• Why Mitsubishi made this $1B investment

• How this affects choosing security vendors

• The growing role of managed services in OT security

• What organizations should do to prepare for changes

For cybersecurity professionals, industrial engineers, and executives working with operational technology and cyber defense.

Chapters:

  • 00:00:00 - Welcome to Industrial Cybersecurity Insider Podcast
  • 00:01:26 - A Trend of Cybersecurity Platform Acquisitions
  • 00:02:03 - The "Cyber-Informed Engineering" Play
  • 00:02:52 - Market Impact: Setting a Billion-Dollar Bar for Competitors
  • 00:05:06 - A Lack of Expertise and Resources
  • 00:05:48 - The Challenge of Building an In-House Team vs. Using Managed Services
  • 00:07:40 - Embedding Security Directly into Hardware Controllers
  • 00:09:33 - How Competitors Like Rockwell Might React
  • 00:10:00 - IPO or Acquisition?
  • 00:14:42 - The On-Prem vs. Cloud Debate in Manufacturing Environments
  • 00:16:50 - 87% of Organizations Are Lagging in Cybersecurity Maturity
  • 00:17:20 - The IT/OT Resource and Knowledge Gap
  • 00:18:54 - The Need for CIOs to Partner with OT Systems Integrators
  • 00:21:25 - The "OnStar" Model for Industrial Security
  • 00:22:15 - The Reality of Vendor Lock-In and Warranty Issues
  • 00:24:14 - OT Needs to Own Its Cybersecurity Strategy
  • 00:25:12 - The Risk of Underutilized Security Tools

Links And Resources:

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About the Podcast

Industrial Cybersecurity Insider
Everything You Need to Know to 'Get Safer Sooner'
Industrial Cybersecurity Insider offers a thorough look into the field of industrial cybersecurity for manufacturing and critical infrastructure. The podcast delves into key topics, including industry trends, policy changes, and groundbreaking innovations. Each episode will feature insights from key influencers, policy makers, and industry leaders. Subscribe and tune in weekly to stay in the know on everything important in the industrial cybersecurity world!

About your host

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Hector Santiesteban