# Illumio

> Illumio is a Sunnyvale-based cybersecurity company that pioneered Zero Trust Segmentation. Its Breach Containment Platform - Illumio Segmentation plus the AI-powered Illumio Insights - assumes attackers will get in and focuses on stopping them from spreading. By mapping how applications talk to each other across data centers, public clouds, and endpoints, Illumio lets organizations isolate workloads and contain ransomware and breaches before they become disasters.

- **Founded:** 2013
- **Headquarters:** Sunnyvale, California, United States
- **Founders:** Andrew Rubin (Co-founder & CEO), PJ Kirner (Co-founder & former CTO)
- **Team size:** ~850 employees
- **Products:** Illumio Segmentation, Illumio Insights, Illumio Platform (Breach Containment), Application Dependency Mapping
- **Notable:** Coined and popularized the category of Zero Trust Segmentation, Named a leader in The Forrester Wave for Microsegmentation, Reached unicorn status in 2017; valued at $2.75B in 2021

## Products & services

- **Illumio Segmentation** — Microsegmentation that enforces Zero Trust policy across data centers, public clouds, VMs, bare metal, and containers to stop lateral movement of ransomware and breaches.
- **Illumio Insights** — AI-powered cloud detection and response that decodes traffic flow data to reveal and contain threats across hybrid environments, with one-click containment.
- **Illumio Platform (Breach Containment)** — Combines Segmentation and Insights on an AI security graph - the industry's first platform purpose-built for breach containment across hybrid environments.
- **Application Dependency Mapping** — Real-time visualization of how applications and workloads communicate, used to design and validate segmentation policy.

## Achievements

- Coined and popularized the category of Zero Trust Segmentation
- Named a leader in The Forrester Wave for Microsegmentation
- Reached unicorn status in 2017; valued at $2.75B in 2021
- Customers' Choice in 2026 Gartner Peer Insights for Network Security Microsegmentation
- Adopted by ~20% of the Fortune 100 with ~97% gross retention
- First platform to combine agentless visibility and breach containment for hybrid environments (2026)

## Latest updates

- **2026-02** — Launched first solution combining agentless visibility and breach containment across data center and cloud by ingesting Check Point and Fortinet firewall telemetry into Illumio Insights.
- **2026-02** — Announced expanded partnership with Armis.
- **2025-04** — Partnered with Vertosoft to deliver the platform to U.S. public sector customers.
- **2025-03** — Announced FY2025 Global Partner Awards winners (CDW, Sentinel, Sekuro, BT Group).

## Links

- Website: https://illumio.com
- LinkedIn: https://www.linkedin.com/company/illumio
- Twitter/X: https://twitter.com/illumio
- GitHub: https://github.com/illumio
- YouTube: https://www.youtube.com/c/Illumio
- Facebook: https://facebook.com/illumio

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Profile page: https://yespress.io/illumio
Published by YesPress — https://yespress.io
Last updated: 2026-06-02