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FireMon, a leader in network security and firewall policy management, has partnered with Illumio to streamline Zero Trust adoption through a new integration. This collaboration aligns microsegmentation policies with firewall rules, addressing operational gaps and enabling real-time policy enforcement for enhanced network security.
FireMon integrates with Illumio to unify Zero Trust and firewall policies.
Reduces troubleshooting time from hours to minutes with dynamic alignment.
Supports microsegmentation for scalable Zero Trust across hybrid environments.
Eliminates policy conflicts and service disruptions in ZTNA deployments.
Early adopters report improved coordination and broader OT coverage.
Integration available via FireMon’s limited early access program.
The integration of FireMon with Illumio tackles the challenges of fragmented workflows in Zero Trust Network Access (ZTNA) and microsegmentation. As enterprises adopt Zero Trust, misaligned firewall rules and segmentation policies often lead to conflicts, service disruptions, and delayed deployments. FireMon’s solution unifies Illumio’s microsegmentation with existing firewall and cloud controls, providing real-time context and automated alignment. This enables organizations to implement Zero Trust at scale without replacing existing infrastructure.
“Microsegmentation defines which workloads should communicate; FireMon makes sure the network enforces that intent,” said Jeremy Martin, Chief Technology Officer at FireMon. “By aligning firewall policies with provisioned access from Zero Trust network access (ZTNA) and segmentation platforms, this integration turns segmentation strategy into enforceable reality—without the manual effort.”
FireMon’s integration features dynamic rule alignment, ensuring Zero Trust policies adapt as workloads shift across environments. It leverages secure APIs to ingest detailed workload inventories from Illumio, including unmanaged or operational technology (OT) devices, along with business attributes like tags and labels. This deep data integration enhances visibility and control, reducing operational risks and enabling seamless policy enforcement across hybrid networks.
“By deriving rich context from Illumio’s industry leading Zero Trust Segmentation policies and dynamically translating that intent into network firewall rules, FireMon empowers our joint customers with end-to-end Zero Trust enforcement,” said Sarab Matharu, Director Technology Alliances, Illumio Inc. “This integration ensures that segmentation intent—defined through Illumio’s advanced workload visibility—is consistently enforced across the network, giving teams the visibility and control they need to scale securely.”
Early adopters have seen significant benefits. A global manufacturer expanded Illumio-based microsegmentation in its OT environment using FireMon to prevent network security conflicts, achieving broader coverage without disrupting access. Similarly, a global financial services firm improved coordination between ZTNA and network security teams, ensuring consistent application connectivity. FireMon plans to enhance the integration later this year with advanced root-cause analysis and policy-translation capabilities, further bridging microsegmentation and network security policy management.
As Gartner predicts, by 2027, 25% of enterprises pursuing Zero Trust will use multiple microsegmentation deployment forms, up from less than 5% in 2025. FireMon and Illumio’s integration is poised to support this trend, providing unified visibility and enforcement across diverse environments.
This integration marks a significant step toward practical Zero Trust implementation. By aligning microsegmentation with firewall policies, FireMon and Illumio empower organizations to enhance security, reduce troubleshooting time, and scale Zero Trust strategies efficiently.
FireMon is the global leader in firewall policy management, empowering enterprises to control risk, streamline operations, and scale securely across hybrid, cloud, and on-premises environments. Trusted by over 1,700 organizations in 70+ countries, FireMon automates enterprise network security policy management for the world’s most complex firewall infrastructures.
As a founder-led company, FireMon is redefining infrastructure protection through intelligent policy governance, enabling asset-centric control, Zero Trust readiness, and operational clarity at scale. Backed by industry-leading net promoter scores and relentless customer focus, FireMon ensures security becomes a strategic enabler, not an obstacle.
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