Nozomi Networks vs Reality Defender
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).
AI deepfake detection platform protecting against synthetic voice, video, and text fraud; $33M Series A in 2024 serving financial services and media with real-time authentication.
About
Reality Defender is an AI-powered deepfake and synthetic media detection platform protecting enterprises, media organizations, and government agencies from AI-generated voice cloning, video manipulation, and synthetic text fraud. Founded in 2021 and headquartered in New York City, Reality Defender raised $33 million in Series A funding in 2024 and addresses the rapidly escalating threat of AI-generated content used for fraud, disinformation, and identity impersonation.
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