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AhnLab CPS PLUS is a commercial industrial control system security tool by AhnLab. Nozomi Networks NOZOMI ARC™ is a commercial industrial control system security tool by Nozomi Networks. 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 operations teams protecting manufacturing or critical infrastructure will find AhnLab CPS PLUS valuable for its unidirectional data diode capability and portable endpoint scanning, which work in air-gapped or severely restricted OT networks where standard agents fail. The platform covers 10 of 23 NIST CSF 2.0 functions with particular strength in asset identification, continuous monitoring, and incident analysis across IT and OT together. Skip this if your priority is recovery and resilience post-breach; AhnLab emphasizes prevention and detection over response coordination, and the Asia-Pacific vendor presence means longer support latencies for North American teams.
Enterprise and mid-market teams protecting critical manufacturing and utility infrastructure need NOZOMI ARC™ for its ability to catch USB-based attacks and malicious input devices at the host level, a gap most OT security tools leave open. The tool covers six NIST CSF 2.0 functions across asset discovery, continuous monitoring, and threat response, with three enforcement modes that let you move beyond detection when an anomaly demands immediate isolation. Skip this if your environment is mostly IT-facing or you need lateral movement detection across the network; NOZOMI ARC™ excels at endpoint-level control but assumes you have network segmentation and a Nozomi Guardian deployment already in place.
Unified platform for protecting cyber-physical systems across OT, IT, and IoT
Host-based security sensor for OT endpoints with threat prevention capabilities
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Common questions about comparing AhnLab CPS PLUS vs Nozomi Networks NOZOMI ARC™ for your industrial control system security needs.
AhnLab CPS PLUS: Unified platform for protecting cyber-physical systems across OT, IT, and IoT. built by AhnLab. headquartered in South Korea. Core capabilities include OT endpoint protection with application and device control, OT network visibility and threat detection, Network segmentation and perimeter security..
Nozomi Networks NOZOMI ARC™: Host-based security sensor for OT endpoints with threat prevention capabilities. built by Nozomi Networks. headquartered in United States. Core capabilities include USB device monitoring and malicious HID detection, User activity correlation with device events, Local behavior analysis using Sigma rules..
Both serve the Industrial Control System Security market but differ in approach, feature depth, and target audience.
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