List of the Top 3 Operational Technology (OT) Security Software for FortiGate IPS in 2026

Armis Centrix™ is an enterprise-grade cyber exposure management platform built to secure the full spectrum of connected assets—from traditional IT devices to OT, ICS, IoT, and life-critical medical equipment. Its asset intelligence engine continuously discovers, profiles, and monitors devices across physical, virtual, cloud, and industrial networks, eliminating the blind spots that attackers often exploit. Armis Centrix™ evaluates risk in real time with automated vulnerability detection, dynamic segmentation, and contextual risk scoring tailored to each asset’s role and behavior. The platform integrates seamlessly into existing security stacks while enhancing overall visibility, compliance, and threat response capabilities. Its modular capabilities include OT/IoT Security, Medical Device Security, VIPR Pro for end-to-end prioritization and remediation, and Early Warning threat intelligence that forecasts vulnerabilities targeted by threat actors. This enables organizations to prepare proactively rather than reactively. Armis Centrix™ supports both SaaS and on-prem deployments, making it suitable for regulated industries that demand tight operational control. Advanced automation reduces manual workload and accelerates remediation timelines, improving operational efficiency across IT and security teams. The platform’s proven impact is reflected in customer stories—from municipalities discovering 30% more devices than expected to global enterprises improving cyber resilience without disrupting operations. Backed by industry analysts, strong security certifications, and deep ecosystem integrations, Armis Centrix™ stands as a leader in safeguarding today’s highly connected digital infrastructures.

Nozomi Networks Guardian™ offers extensive visibility, security, and monitoring for a wide range of assets, including operational technology (OT), Internet of Things (IoT), information technology (IT), edge, and cloud environments. The sensors associated with Guardian send data to Vantage, enabling centralized security management that can be accessed from anywhere via the cloud. Furthermore, they can transmit information to the Central Management Console for in-depth data analysis, whether operating at the edge or within the public cloud. Major companies in various fields, such as energy, manufacturing, transportation, and building automation, rely on Guardian to protect their vital infrastructure and operations globally. Meanwhile, Nozomi Networks Vantage™ leverages software as a service (SaaS) to deliver unmatched security and visibility across your OT, IoT, and IT networks. Vantage is essential for expediting digital transformation, especially for large and complex distributed networks. Users can protect an unlimited number of OT, IoT, IT, edge, and cloud assets from any location. Its adaptable SaaS platform enables the consolidation of all security management facets into one cohesive application, thereby improving overall operational efficiency. The collaboration between Guardian and Vantage not only enhances security but also fosters a robust framework for managing diverse technological environments effectively. This integration ensures that organizations can remain resilient and agile in the face of evolving cyber threats.

GREYCORTEX stands out as a leading supplier of NDR (Network Detection and Response) security solutions tailored for both IT and OT (operational technology) networks. Its Mendel solution enhances security and reliability by offering comprehensive visibility into network activities, utilizing machine learning and sophisticated data analysis to identify anomalies and detect threats in their initial phases. This proactive approach not only protects systems but also helps organizations maintain operational integrity. By leveraging cutting-edge technology, GREYCORTEX empowers businesses to respond swiftly to potential security challenges.