Best Operational Technology (OT) Security Software for Active Directory

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.

ORDR is a cybersecurity platform built to proactively identify and mitigate risks by turning network intelligence into immediate, actionable outcomes. It provides comprehensive visibility into connected assets and environments, ensuring that security teams work with accurate and verified data. Through its AI-powered orchestration layer, ORDR aligns security, IT, and operational teams to prioritize and respond to threats efficiently. The platform integrates policy-based enforcement directly into network operations, enabling automated and consistent responses without relying solely on manual intervention. By combining intelligent automation with human oversight, it ensures decisions remain controlled and trustworthy. ORDR also eliminates fragmented workflows by connecting tools and processes into a unified system. This allows organizations to reduce response times and prevent incidents before they escalate. Its design supports complex industries like healthcare and manufacturing, where reliability and safety are critical. Overall, it empowers organizations to strengthen security posture while maintaining operational continuity.

Nozomi Networks Guardian™ provides comprehensive visibility, security, and monitoring capabilities for various assets, including OT, IoT, IT, edge, and cloud environments. The Guardian sensors transmit data to Vantage, allowing for unified security management that can be accessed from any location through the cloud. Additionally, they can relay information to the Central Management Console for detailed data analysis, whether at the edge or within the public cloud. Leading companies across multiple sectors, such as energy, manufacturing, transportation, and building automation, trust Guardian to safeguard their essential infrastructure and operations worldwide. On the other hand, Nozomi Networks Vantage™ harnesses the advantages of software as a service (SaaS) to provide unparalleled security and visibility throughout your OT, IoT, and IT networks. Vantage plays a crucial role in accelerating digital transformation, particularly for extensive and intricate distributed networks. You can secure an unlimited number of OT, IoT, IT, edge, and cloud assets from any location. Its scalable SaaS platform allows you to streamline all aspects of your security management into a single, cohesive application, enhancing overall operational efficiency. The integration of Guardian and Vantage creates a powerful synergy that optimizes security across diverse environments.

GREYCORTEX is one of the main providers of NDR (Network Detection and Response) security solutions for IT and OT (industrial) networks. It ensures their security and reliability with its Mendel solution, which provides perfect visibility into the network and, thanks to machine learning and advanced data analysis, discovers any network anomalies and detects any threats at their early stages.