Illumio

📍 Sunnyvale, United States🗓 Founded 2013👥 874 employees💰 Last funded 2025
Computer and Network Security🌐 illumio.com
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Illumio is the leader in ransomware and breach containment, redefining how organizations contain cyberattacks and enable operational resilience. Powered by an AI security graph, our breach containment platform identifies and contains threats across hybrid multi-cloud environments – stopping the spread of attacks before they become disasters. Recognized as a Leader in the Forrester Wave™ for Microsegmentation, Illumio enables Zero Trust, strengthening cyber resilience for the infrastructure, systems, and organizations that keep the world running.
10
Total investors
4
Early stage
2
Mid stage
2
Late stage
2013
Founded

Investors

10 investors
All
Early stage
Mid stage
Late stage
Investor geography2 countries
United States
9
United Kingdom
1
Investor activity2013–2025 · investors recorded per year
2013220152201722021220252
Recent (last 2y)Earlier
Frequently asked questions
Who invested in Illumio?
Illumio has 10 investors on record on gritt.io, including 4 early-stage backers, 2 mid-stage and 2 late-stage investors.
When did Illumio last raise funding?
The most recent investment in Illumio recorded on gritt.io was in 2025.
When was Illumio founded?
Illumio was founded in 2013.
What industry is Illumio in?
Illumio operates in Computer and Network Security. Find similar Computer and Network Security investors on gritt.io.
Where is Illumio based?
Illumio is headquartered in Sunnyvale, United States.