Nozomi Networks NOZOMI ARC™ vs Nozomi Networks Nozomi Guardian: Side-by-Side Comparison (2026)

Nozomi Networks NOZOMI ARC™: Host-based security sensor for OT endpoints with threat prevention capabilities. built by Nozomi Networks. Core capabilities include USB device monitoring and malicious HID detection, User activity correlation with device events, Local behavior analysis using Sigma rules..

Nozomi Networks Nozomi Guardian: Passive network monitoring for OT/IoT asset visibility and threat detection. built by Nozomi Networks. Core capabilities include Passive network traffic monitoring, OT and IoT asset discovery and inventory, Network visualization and topology mapping..

Both serve the Industrial Control System Security market but differ in approach, feature depth, and target audience.

Both tools share capabilities in passive network traffic monitoring. Nozomi Networks NOZOMI ARC™ differentiates with USB device monitoring and malicious HID detection, User activity correlation with device events, Local behavior analysis using Sigma rules. Nozomi Networks Nozomi Guardian differentiates with OT and IoT asset discovery and inventory, Network visualization and topology mapping, Automated vulnerability assessment.

Nozomi Networks NOZOMI ARC™ is developed by Nozomi Networks. Nozomi Networks Nozomi Guardian is developed by Nozomi Networks. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Nozomi Networks NOZOMI ARC™ integrates with Nozomi Guardian, Nozomi Vantage, Mandiant Threat Intelligence. Nozomi Networks Nozomi Guardian integrates with SIEM platforms, Asset management tools, Ticketing systems, Identity management tools. Check integration compatibility with your existing security stack before deciding.

Nozomi Networks NOZOMI ARC™ and Nozomi Networks Nozomi Guardian serve similar Industrial Control System Security use cases: both are Industrial Control System Security tools. Review the feature comparison above to determine which fits your requirements.