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Forescout: Zero Trust Segmentation for Hybrid IT, OT & IoT Networks

Forescout
07/01/2026
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Devices, users, cloud workloads, everything is connected. And with that connectivity comes risk. To build a strong, universal, zero-trust network access, use ETA architecture. Visibility isn't enough. You need control. You need segmentation management. Firmware Scout has enhanced our segmentation management to allow for unlimited matrices and visibility of not just network flows, but where they involve risky devices. We've reimagined the way you manage segmentation across a mixture of network vendors, with a new, flexible traffic matrices that transform raw network data into clear, actionable insights. Instantly visualize how devices, workloads, and segments communicate across your entire environment. But we didn't just stop at visibility. Our segmentation now incorporates integrated risk data directly into traffic views. See risk in context, identify suspicious flows, prioritize segmentation policies not just based on connectivity, but based on real threat intelligence. You can cluster the data by zones or any attribute you can imagine. Further, our segmentation management has all the features of our cloud platform, including agentic skill-based AI, narrative reporting, natural language search, and role-based access control. Our latest segmentation management in the Forescout 4D platform works seamlessly with both our core iSight deployments and our new lightweight iSentry deployments. Whether you need enterprise-wide coverage or streamlined enforcement at the edge, segmentation intelligence scales with your network. Because in a UZ-T&A strategy, segmentation management is foundational. It's how you minimize lateral movement. It's how you enforce least privilege. It's how you contain threats before they spread. Smarter segmentation for a zero-trust world. Find out more at Forescout.com.

TL;DR

  • Forescout has enhanced its segmentation management to support unlimited matrices and integrate risk data directly into network traffic visualization across hybrid IT, OT, and IoT environments.
  • The platform transforms raw network data into actionable insights with flexible traffic matrices, enabling security teams to see not just connectivity but which flows involve risky devices.
  • New capabilities include agentic skill-based AI, natural language search, narrative reporting, and role-based access control, all designed to enforce zero trust principles by minimizing lateral movement and containing threats.

Summary

This product demonstration introduces Forescout's enhanced segmentation management capabilities designed for zero trust network access architectures. The video addresses the limitations of traditional IP-based segmentation in hybrid environments where devices, users, and cloud workloads create complex connectivity patterns. Forescout's approach integrates device visibility with risk context, enabling organizations to visualize network flows involving risky devices and manage segmentation across multi-vendor network infrastructures. The platform introduces flexible traffic matrices that transform network data into actionable insights, allowing security teams to cluster data by zones or custom attributes. Key differentiators include integrated risk intelligence directly in traffic views, agentic AI capabilities, natural language search, and role-based access control. The solution works with both Forescout's core iSight deployments for enterprise-wide coverage and lightweight iSentry deployments for edge enforcement, positioning segmentation as foundational to minimizing lateral movement and enforcing least privilege access in zero trust strategies.

Chapters

0:00 - Network Complexity Challenge
0:16 - Segmentation Management Introduction
0:31 - Traffic Matrices & Visualization
0:50 - Risk-Integrated Segmentation
1:20 - Platform Deployment Options

Key Quotes

0:16 "Visibility isn't enough. You need control. You need segmentation management."
0:21 "Firmware Scout has enhanced our segmentation management to allow for unlimited matrices and visibility of not just network flows, but where they involve risky devices."
0:50 "Our segmentation now incorporates integrated risk data directly into traffic views."

FAQ

How does Forescout's segmentation differ from traditional IP-based approaches?

Forescout integrates device identity and risk context directly into segmentation decisions, rather than relying solely on IP addresses. The platform visualizes which network flows involve risky devices and allows clustering by zones or custom attributes, providing actionable intelligence that traditional IP-based segmentation cannot deliver in hybrid environments.

What deployment options does Forescout offer for segmentation management?

Forescout provides two deployment models: iSight for enterprise-wide coverage across complex networks, and iSentry for lightweight enforcement at the edge. Both work seamlessly with the Forescout 4D platform's segmentation management capabilities, allowing organizations to scale their zero trust architecture based on specific network requirements.


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