Company Directory / Computer & Network Security
PrivateFor profitComputer & Network SecuritySunnyvale, California, United States
Illumio
Illumio is a provider of a SaaS platform offering automated enforcement against cyberattacks.
- Founded
- 2013 13 years ago
- Staff
- 501-1000 819 on LinkedIn
- Followers
- 136k on LinkedIn
- Funding
- $558M as listed, USD
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… Read all
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.
Set against six million companies
Size
501-1000 people: larger than 95% of companies with a size listed. 819 people list it on LinkedIn.
Age
13 years old.
Reach
Website ranked #1,031,573 in the world for traffic, about 27k visits a month. 136,214 followers on LinkedIn.
What it does
Cloud SecurityCyber SecurityData CenterSaaSSecurity
Funding, as listed
$558M raised in total
- Rounds6
- LatestSeries f, Jun 2021
- Latest amountUSD 225,000,000
- Investors26, 6 leading
What the source datasets report. We have not watched these rounds ourselves.
Every detail we hold
Everything the source datasets list about Illumio, field by field. Contact details are held but never shown.
The company
- Name
- Illumio
- Type
- For profit
- Status
- Private
- Founded
- 2013
- Founders
- Alan Stokol, Andrew Rubin, PJ Kirner
- Industry
- Computer & Network Security
- Categories
- Cloud Security, Cyber Security, Data Center, SaaS, Security
Where
- City
- Sunnyvale
- Region
- California
- Country
- United States
- Markets
- San Francisco Bay Area, Silicon Valley, West Coast, Western US
Size and reach
- Staff band
- 501-1000
- People on LinkedIn
- 819
- LinkedIn followers
- 136,214
- Web traffic rank
- #1,031,573
- Monthly web visits
- 26,732
Funding, as listed
- Total
- $557,500,000 USD
- Rounds
- 6
- Latest round
- Series f
- Latest round date
- Jun 2021
- Latest amount
- 225,000,000 USD
- Investors
- 26
- Lead investors
- 6
- Listing status
- private
About this record
- Sources
- Crunchbase, LinkedIn
- Last imported
- Sept 2026
Growth, as the source summarises it
Illumio may be growing as evidenced by its strategic hiring and commitment to expanding its partner network. The appointment of a new Senior Vice President of Global Partner Sales and Alliances, who has a history with other major cybersecurity firms, indicates an investment in leadership to drive partner sales and potentially increase market share. Furthermore, the company's focus on zero-trust segmentation, a critical aspect of cybersecurity, suggests that it is strengthening its position in a vital area of the industry. This commitment to its partner ecosystem and leadership enhancement are qualitative indicators that support the notion of growth.
Summaries written by the source dataset, not by us, and not checked.
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