Best Operational Technology (OT) Security Software for Forescout

Continuous asset discovery, vulnerability management, threat detection, and continuous asset discovery for your Internet of Things and operational technology devices (OT). Ensure IoT/OT innovation by accelerating IoT/OT innovation through comprehensive security across all IoT/OT devices. Microsoft Defender for IoT is an agentless, network-layer security solution that can be quickly deployed by end-user organizations. It works with diverse industrial equipment and integrates with Microsoft Sentinel and other SOC tools. You can deploy on-premises and in Azure-connected environments. Microsoft Defender for IoT is a lightweight agent that embeds device-layer security in new IoT/OT initiatives. Passive, agentless network monitoring allows you to get a complete inventory and analysis of all your IoT/OT assets. This is done without any impact on the IoT/OT networks. Analyze a variety of industrial protocols to identify the device details, including manufacturer, type, firmware level, IP or Media Access Control address.

Armis Centrix™ unifies cybersecurity operations by delivering continuous discovery, monitoring, and protection of every asset across complex hybrid networks. Its AI-powered intelligence engine enables security teams to detect unmanaged devices, assess vulnerabilities, and mitigate risks before attackers can exploit them. Organizations can manage IT systems, industrial OT environments, medical IoMT fleets, and IoT devices from a single platform with zero blind spots. The platform supports both on-premises and SaaS deployments, making it flexible for industries like healthcare, utilities, manufacturing, and critical infrastructure. VIPR Pro enhances the platform with automated remediation workflows, helping teams prioritize issues based on real-world threat activity. Early Warning intelligence provides insight into vulnerabilities actively being weaponized, ensuring organizations can act ahead of threats. Armis Centrix™ also improves business outcomes by increasing operational efficiency, supporting compliance, and strengthening resilience. Trusted by global enterprises and recognized by Gartner and GigaOm, Armis Centrix™ is built to meet the cybersecurity demands of modern digital environments.

Frenos stands out as the pioneering autonomous platform for Operational Technology (OT) security assessment, engineered to proactively evaluate, prioritize, and protect critical infrastructure without interfering with operational activities. Specifically tailored for OT environments, this innovative platform autonomously assesses and addresses risks across all sixteen sectors of critical infrastructure. Leveraging a digital network twin alongside an AI reasoning agent, it meticulously analyzes potential adversarial tactics, techniques, and procedures, delivering contextual and prioritized remediation recommendations that are tailored to OT environments. This advanced methodology empowers organizations to effectively minimize risks and bolster their security posture. Furthermore, Frenos has forged strategic alliances with prominent industry players, including Claroty, Forescout, NVIDIA, Dragos, Palo Alto Networks, Tenable, and Rapid7. Founded with the mission to assist enterprises in protecting their most prized assets—ranging from oil rigs and medical devices to electric substations and financial transaction systems—Frenos is redefining the landscape of OT security. As the threat landscape evolves, this platform continues to adapt, ensuring that organizations remain a step ahead of potential vulnerabilities.