Best IoT Security Software of 2025

Armis, the leading asset visibility and security company, provides a unified asset intelligence platform designed to address the new extended attack surface that connected assets create. Fortune 100 companies trust our real-time and continuous protection to see with full context all managed, unmanaged assets across IT, cloud, IoT devices, IoMT, OT, ICS, and 5G. Armis provides passive cyber asset management, risk management, and automated enforcement. Armis is a privately held company and headquartered in California.

Tenable One offers a groundbreaking solution that consolidates security visibility, insights, and actions across the entire attack surface, empowering contemporary organizations to identify and eliminate critical cyber risks spanning IT infrastructure, cloud systems, essential infrastructure, and beyond. It stands as the only AI-driven platform for managing exposures in the market today. With Tenable's advanced vulnerability management sensors, you can gain a comprehensive view of every asset within your attack surface, including cloud systems, operational technologies, infrastructure, containers, remote employees, and modern web applications. By analyzing over 20 trillion components related to threats, vulnerabilities, misconfigurations, and asset data, Tenable’s machine-learning capabilities streamline remediation efforts by allowing you to prioritize the most significant risks first. This focused approach fosters necessary enhancements to minimize the likelihood of serious cyber incidents while providing clear and objective assessments of risk levels. In this rapidly evolving digital landscape, having such precise visibility and predictive power is essential for safeguarding organizational assets.

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.