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Nozomi Networks Nozomi Guardian is a commercial industrial control system security tool by Nozomi Networks. Gyala Agger is a commercial industrial control system security tool by Gyala. Compare features, ratings, integrations, and community reviews side by side to find the best industrial control system security fit for your security stack.
Based on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Mid-market and enterprise OT teams that lack visibility into their operational networks will benefit most from Nozomi Guardian's passive monitoring approach, which discovers and inventories assets without disrupting production systems. The platform covers all four NIST ID and DE functions, but prioritizes asset discovery and continuous anomaly detection over incident response capabilities; if your team needs playbook-guided remediation built into the tool itself rather than handed off to ticketing systems, you'll do more manual work than vendors suggest. Skip this if you're running primarily IT infrastructure without significant OT/IoT footprint, or if your brownfield OT environment has devices that don't speak standard protocols Nozomi supports.
Mid-market and enterprise operations teams defending both IT and OT environments need Gyala Agger because it actually sees legacy and air-gapped networks that mainstream EDR platforms ignore. Its behavioral anomaly detection runs on operational state models rather than signature patterns, which matters when you're protecting systems that can't be patched or rebooted. The caveat: Gyala prioritizes detection and response speed over the forensics and recovery depth that mature SOCs demand; if your incident response workflow depends on weeks of historical correlation and root cause analysis, you'll outgrow this tool quickly.
Passive network monitoring for OT/IoT asset visibility and threat detection
AI-based IT/OT/IoT cyber resilience platform with automated detection & response.
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Common questions about comparing Nozomi Networks Nozomi Guardian vs Gyala Agger for your industrial control system security needs.
Nozomi Networks Nozomi Guardian: Passive network monitoring for OT/IoT asset visibility and threat detection. built by Nozomi Networks. headquartered in United States. Core capabilities include Passive network traffic monitoring, OT and IoT asset discovery and inventory, Network visualization and topology mapping..
Gyala Agger: AI-based IT/OT/IoT cyber resilience platform with automated detection & response. built by Gyala. headquartered in Italy. Core capabilities include Active and passive network discovery for IT and OT devices, Behavioral anomaly detection for IoT and OT devices based on operational states, Endpoint detection with behavioral analysis of running processes..
Both serve the Industrial Control System Security market but differ in approach, feature depth, and target audience.
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