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#1749 by ARRCalifornia, USillumio.com ↗

Illumio

Illumio is a cybersecurity company based in Sunnyvale, California, specializing in breach containment and Zero Trust segmentation. Founded in 2013 by Andrew Rubin and PJ Kirner, Illumio aims to stop cyberattacks from…

ARR
$100M revenue (est.)
as of Oct 2026
Employees
838
as of Oct 2026
Valuation
$2.8B
28× ARR
ARR / employee
$119K
revenue efficiency
About Illumio

Illumio is a cybersecurity company based in Sunnyvale, California, specializing in breach containment and Zero Trust segmentation. Founded in 2013 by Andrew Rubin and PJ Kirner, Illumio aims to stop cyberattacks from spreading across hybrid and multi-cloud environments. The company is recognized for its innovative platform built on an AI security graph, which helps identify and contain threats effectively. Illumio offers a range of products designed to enhance security, including Illumio Core for breach containment, Illumio CloudSecure for cloud workloads, and Illumio Endpoint for endpoint devices. Their solutions provide visibility into application dependencies and communications, operating as a SaaS model with an annual subscription. The company serves B2B enterprises across various industries, including healthcare, banking, and retail, with a focus on organizations that manage critical infrastructure and sensitive data. With a global presence, Illumio has over 60 enterprise clients and offices in multiple countries.

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