Nozomi Networks vs Fortinet
Side-by-side comparison of AI visibility scores, market position, and capabilities
SF OT/IoT cybersecurity Gartner 2025 CPS Leader acquired by Mitsubishi Electric for $883M Sep 2025 (largest OT security deal); 115M+ assets at 12,000+ installations competing with Claroty and Dragos for critical infrastructure ICS security.
About
Nozomi Networks is a San Francisco, California-based operational technology (OT) and IoT cybersecurity company — acquired by Mitsubishi Electric Corporation for $883 million in September 2025 in the largest OT security acquisition in history — providing critical infrastructure operators, industrial manufacturers, transportation systems, and utilities with AI-powered visibility and threat detection across operational technology environments: Guardian sensors monitoring industrial control systems (ICS) and SCADA networks, and the cloud-based Vantage management platform aggregating security data across enterprise OT environments. Protecting 115+ million industrial and IoT assets across 12,000+ installations worldwide, Nozomi is recognized as a Gartner Magic Quadrant Leader in the 2025 CPS Protection Platforms category. Operating as an independent subsidiary of Mitsubishi Electric with brand, leadership, and operations unchanged post-acquisition. Founded in 2013 by Andrea Carcano and Moreno Carullo (who pioneered the AI-powered ICS cybersecurity approach).
Network security leader with $5.3B revenue; custom ASIC-powered FortiGate firewalls, Security Fabric platform, and expanding SASE and OT security offerings.
About
Fortinet is a global leader in network security, providing enterprise firewalls, endpoint protection, network access control, and cloud security products under the FortiGate and Fortinet Security Fabric brand. Founded in 2000 by brothers Ken Xie and Michael Xie and headquartered in Sunnyvale, California, Fortinet pioneered the unified threat management (UTM) appliance category and has grown into one of the largest pure-play cybersecurity companies with approximately $5.3 billion in annual revenue. The company is listed on NASDAQ.
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