Top 10 Best Iot Security Software of 2026

Armis is a leading agentless cybersecurity platform specializing in IoT, OT, and unmanaged device security, providing complete visibility into all connected assets across IT, OT, IoT, and medical environments. It discovers devices in real-time, profiles their behaviors using AI and machine learning, and delivers risk assessments, threat prevention, and policy enforcement without requiring software agents. The platform enables organizations to manage cyber risk at scale, comply with regulations, and respond to threats proactively.

Claroty is a cybersecurity platform specialized in securing Operational Technology (OT), Industrial IoT (IIoT), and critical infrastructure environments. It offers asset discovery, vulnerability management, continuous threat detection, and secure remote access through deep packet inspection of industrial protocols without requiring agents on devices. The solution bridges IT and OT security, enabling organizations to monitor, detect anomalies, and respond to threats in cyber-physical systems while minimizing operational disruptions.

Nozomi Networks delivers a robust cybersecurity platform tailored for IoT and OT environments, offering deep network visibility, asset discovery, and real-time threat detection. Its Guardian sensors use deep packet inspection (DPI) to analyze over 20,000 industrial protocols without impacting performance. The solution enables proactive threat hunting, vulnerability management, and automated response for critical infrastructure.

Microsoft Defender for IoT is a cloud-native security solution that provides agentless discovery, monitoring, and threat protection for IoT and OT devices across hybrid environments. It uses network sensors for deep packet inspection, asset inventory, vulnerability management, and anomaly detection without requiring software agents on devices. Integrated with the Microsoft Defender XDR platform and Azure, it enables centralized visibility and automated response for IT/OT convergence.

AWS IoT Device Defender is a fully managed IoT security service that continuously monitors device fleets for configuration vulnerabilities, anomalous behaviors, and deviations from security best practices. It leverages machine learning to analyze telemetry metrics in real-time and applies custom rules for behavior detection, sending alerts via Amazon CloudWatch or SNS. The service supports automated mitigation through integrations with AWS IoT Core and other services, enabling proactive security at scale.

Forescout is a leading IoT security platform that delivers agentless visibility, classification, and control for all connected devices across IT, IoT, OT, and IoMT environments. It uses multiple detection technologies like deep packet inspection, network access control, and behavioral analysis to identify unmanaged devices and enforce zero-trust policies. The platform enables automated risk mitigation, segmentation, and compliance reporting, making it ideal for securing hybrid networks.

Palo Alto Networks IoT Security is a cloud-delivered service that provides deep visibility, discovery, and classification of IoT and OT devices across enterprise networks using machine learning and a massive behavioral database covering over 10,000 device types. It enables vulnerability assessment, anomaly detection, behavioral profiling, and automated policy enforcement integrated with Palo Alto's Next-Generation Firewalls and Prisma platforms. The solution helps organizations manage IoT risks without agents, focusing on continuous monitoring and threat prevention in complex environments.

Cisco Cyber Vision is an enterprise-grade IoT security platform designed to provide deep network visibility and security for operational technology (OT) and Internet of Things (IoT) environments. It enables passive asset discovery, classification, vulnerability management, and threat detection by analyzing industrial protocols without disrupting operations. The solution integrates tightly with Cisco's networking infrastructure, offering anomaly detection, policy enforcement, and reporting for IT/OT convergence.

Ordr is an enterprise-grade IoT security platform that provides complete visibility into connected devices through agentless discovery and deep packet inspection. It uses machine learning to profile device behavior, identify vulnerabilities, and prioritize risks across IT, IoT, IoMT, and OT environments. The platform enables automated policy enforcement, segmentation, and threat detection to secure unmanaged devices at scale.

Asimily is an IoT security platform that provides agentless discovery, monitoring, and risk management for connected devices in enterprise environments, particularly in healthcare, manufacturing, and critical infrastructure. It uses passive network analysis and machine learning to fingerprint thousands of IoT/OT device types, detect vulnerabilities, and prioritize risks based on business impact. The platform offers continuous threat detection, anomaly alerting, and compliance reporting to help organizations secure their sprawling IoT ecosystems without disrupting operations.