Illumio

Company research

Public company, workplace, funding, and market signals

Updated Aug 5, 2026

Overview

Illumio is a privately held cybersecurity company focused on Zero Trust security, breach containment, and stopping lateral movement across hybrid and multi-cloud environments. Its platform uses an AI security graph to map risk, detect threats, and enforce containment.

Primary product

Illumio Platform, comprising Illumio Segmentation for Zero Trust microsegmentation/breach containment and Illumio Insights for AI-powered threat detection, risk analysis, and response.

Founded

2013

Headquarters

Sunnyvale, California, United States (920 De Guigne Drive, Sunnyvale, CA 94085)

Team size

Approximately 800–900 worldwide; third-party workforce estimate reports 881 as of March 2026.

Work style

Hybrid

Industry

Cybersecurity / computer and network security

Sub-industry

Zero Trust segmentation, breach containment, microsegmentation, cloud detection and response

Offices

Sunnyvale, California, United States

Reading, United Kingdom

London, United Kingdom

Sydney, Australia

Melbourne, Australia

Tokyo, Japan

Singapore

Amsterdam, Netherlands

Paris, France

Business model

Enterprise B2B software subscription

Cloud/SaaS security platform

Enterprise sales through direct sales and channel partners

Free trial leading to paid deployments

Technology integrations and co-selling partnerships

Funding

Stage

Private, late-stage / Series F; generating revenue

Total raised

$582.5M

Latest round

Series F · Jun 2021

Latest amount

$225M

Series F

Jun 2021 · Thoma Bravo

$225M

Series E

Feb 2019 · J.P. Morgan Asset Management

$65.2M

Series D

Jun 2017 · J.P. Morgan / JPMorgan Chase

$125M

Series C

Apr 2015 · BlackRock / Accel

$101M

Series B

Jun 2014

$8M

Series A

Mar 2013 · Andreessen Horowitz

$8M

People & investors

Leadership

Andrew Rubin

Founder and Chief Executive Officer

Mario Espinoza

Chief Product Officer

L. David Kingsley

Chief People Officer

John Lens

Chief Revenue Officer

Todd Palmer

SVP, Global Partner Sales and Alliances

Anup Singh

Chief Financial Officer

Karl Van den Bergh

Chief Market Officer

Ben Verghese

Chief Technology Officer

Founders

Alan Stokol

Founder (reported by Crunchbase)

P.J. Kirner

Co-founder and former CTO

Investors

J.P. Morgan Asset Management

Work & culture

The company describes its culture through Customer First, Always; Relentless Execution; and Onwards, Together. Engineering emphasizes thought leadership, independence, responsibility, innovation, and leveraging different perspectives. Public career materials indicate a hybrid model, including work-from-home Fridays and some roles requiring two office days per week.

Work style

Hybrid

Compensation

Public evidence confirms compensation and benefits programs but does not provide a reliable company-wide salary band. A third-party review aggregation reports approximately 4.1/5 compensation and 4.0/5 culture ratings; treat these as directional rather than audited.

Benefits

Medical benefits

Fitness reimbursement

Parental leave

Professional development resources

Mentorship program

Employee Resource Groups

Illumineer Day paid holiday

Time-away flexibility

Work-from-home Fridays

Product & market

Pricing

Enterprise, quote-based software pricing; public free-trial access is available for Illumio Insights. No reliable public standard price list was found.

Differentiators

—Purpose-built breach-containment platform rather than a broad security suite
—Zero Trust microsegmentation across hybrid and multi-cloud environments
—AI security graph for attack-path and lateral-movement analysis
—Agentless visibility option using existing firewall telemetry
—One-click quarantine and containment workflows
—Works with existing infrastructure and integrates with major security/firewall ecosystems
—Recognized as a Forrester Wave Leader in microsegmentation

Technology

Python

Golang/Go

Java

Ruby

TypeScript

Spring Boot

React/Redux

Azure

AWS

Docker

Kubernetes/Helm

Jenkins

GitLab

Prometheus

Elastic

Kibana

Neo4j

PyTorch

Selenium

Customers

Microsoft

Salesforce

Morgan Stanley

Citi

HSBC

Oracle

Alaska Airlines

BNP Paribas

Brooks

Cathay Pacific

FDIC

Ingredion

ServiceNow

Blue Cross Blue Shield

Competitors

Akamai Guardicore Segmentation

Cisco Secure Workload

Palo Alto Networks

Zscaler

CrowdStrike

Wiz

Forescout

Trend Micro

CloudPassage

Scale & contact

Estimated revenue

Approximately $100M–$500M annually; third-party estimates vary materially, with one company database estimating about $100M and another estimating about $238M. These are not company-reported figures.

Estimated monthly visits

130.6K

Traffic estimate as of Jun 2026

Signals & risks

Other

Jun 2021

The latest publicly identified primary funding round is Series F; later database entries include secondary/private transactions but no clearly disclosed new primary financing.

Source

Other

Sep 2023

Independent company analysis identified competitive risk from larger vendors such as Akamai, Cisco, and Palo Alto Networks, which may bundle comparable segmentation capabilities into broader security suites.

Source

Latest news

Check Point and Illumio Expand Partnership to Deliver Protection and Resilience Against Frontier AI-Powered Attacks

Illumio · Jun 2026

Expanded joint product development, resale, co-selling, and integration combines Check Point perimeter defense with Illumio breach containment for AI-era attacks.

Illumio Delivers the First Platform to Combine Agentless Visibility and Breach Containment for Hybrid Environments

Illumio · Feb 2026

Illumio Insights began ingesting Check Point and Fortinet firewall telemetry to provide agentless hybrid visibility and containment.

Illumio Expands Strategic Partnership with Armis to Secure Converged IT/OT Environments

Illumio · Feb 2026

The expanded Armis relationship combines asset intelligence with Illumio Insights and Segmentation for dynamic IT/OT breach containment.

FireMon and Illumio Launch Industry’s First Zero-Trust Control Plane for Hybrid Enterprises

Business Wire · Feb 2026

Integration brings Illumio microsegmentation and traditional firewall policy governance into a unified control workflow.

Illumio Insights GA Delivers Industry's First Solution to Contain Lateral Movement Across Hybrid, Multi-Cloud

Illumio · Jul 2025

General availability added AI-powered detection, risk insights, one-click containment, country insights, quarantine dashboard, and resource views.

Jobs and careers at Illumio

65 jobs at Illumio

Sr. Staff Engineer

On-site

Engineering

HQ - Sunnyvale (Office); Sunnyvale, California, United States

Today

On-site

Full-time