TXOne Networks has announced a preview of Stellar Discover, a lightweight endpoint sensor designed to enhance visibility and vulnerability assessment across operational technology (OT) environments. The new solution addresses a long-standing challenge in OT security: limited insight into endpoint-level activity. While network-based tools can identify assets by analyzing traffic, they often lack the ability to determine what software is running on devices, what vulnerabilities exist, or whether malware is already present. Stellar Discover is built to bridge that gap by providing direct visibility into endpoints without introducing operational risk.

Designed as a detection-only sensor, Stellar Discover enables organizations to move beyond basic asset discovery toward a clearer understanding of their security posture before implementing active protection measures. It complements TXOne’s broader ecosystem, including network-based and visibility tools, forming a structured approach to OT security assessment.

A key feature of Stellar Discover is its non-intrusive architecture. The sensor operates entirely in user space, requiring no kernel access, drivers, or elevated privileges. This design minimizes the risk of disrupting critical systems, a major concern in OT environments where stability is essential. Installation takes approximately one minute per endpoint, requires no reboot, and can be removed just as easily.

Once deployed, the tool provides detailed insights, including device and software inventories, vulnerability assessments using TXOne’s VSAR scoring model, USB activity monitoring, login failure tracking, and detection of active malware. Importantly, it does not block or modify system behavior, instead delivering findings through scheduled in a centralized management console.

Stellar Discover is also designed to coexist with existing IT security solutions. By avoiding kernel-level components, it eliminates compatibility issues that have historically prevented OT teams from deploying endpoint agents alongside enterprise endpoint detection and response (EDR) tools. This allows organizations to extend visibility to legacy systems, including older Windows environments that are often unsupported by modern security software.

Terence Liu, CEO of TXOne Networks, said many organizations still lack visibility into critical OT endpoints, making it difficult to assess or mitigate risks. He emphasized that gaining accurate insight is a necessary first step before implementing broader security controls.The launch reflects a growing industry focus on improving foundational visibility in OT environments, where legacy systems, operational constraints, and safety requirements have traditionally limited the adoption of conventional cybersecurity tools.

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