Illumio
Track on RadarZero Trust Segmentation platform for controlling workload communications
- Total raised
- $557.5M
- Employees
- 899
- Founded
- 2013
- Momentum
- 58
Steady
Data updated August 2026
About
About Illumio
At a glance
Illumio is a cybersecurity company specializing in Network Security, founded in 2013 and headquartered in Sunnyvale, United States. It has raised $557.5M in total funding, employs about 899 people, and is privately held.
Illumio provides Zero Trust Segmentation solutions for cybersecurity. The company's platform enables organizations to visualize all communications and traffic between workloads across on-premises and cloud environments. Their technology controls east-west traffic to reduce the risk of adversaries accessing sensitive information and allows proactive control of communications to isolate mission-critical applications and environments. Illumio's product portfolio includes their Core product and CloudSecure, which work together to deliver customer-facing security solutions. The platform integrates firewall management security frameworks and operates across cloud environments including AWS and Azure. Their technology stack ranges from operating systems to distributed applications, UI, and visualization tools. The company serves organizations that need to segment their networks and control lateral movement within their infrastructure. Illumio's solutions address security networking challenges, particularly in hybrid and multi-cloud environments. Their approach focuses on microsegmentation and network security controls that prevent the spread of breaches across enterprise networks. Illumio operates globally with offices in the United States (headquarters in Sunnyvale, California), United Kingdom, Australia, Japan, and Singapore. The company employs engineering teams that work on backend systems using languages like Python and Go/Golang, as well as specialists in areas such as Kubernetes security, Windows kernel drivers, and cloud security architecture.
Momentum
How Illumio is trending
Momentum score
Score history appears once we have at least two monthly snapshots.
Pillar breakdown
Pillar breakdown locked
Growth, Market & Financial sub-scores
Valuation
What Illumio is worth
Estimated valuation
Funding
Funding history
See every round, lead investor, and the full capital stack.
Open the full profile on Mandos to see funding history.
Public markets
Stock performance
Privately held
This company isn't publicly traded. Stock performance will appear here after an IPO.
Headcount
Headcount growth
Track hiring velocity, department mix, and seniority shifts.
Open the full profile on Mandos to see headcount growth.
Jobs
Open jobs
Every live posting, hiring pace, and role-level signal.
Open the full profile on Mandos to see open jobs.
Web traffic
Digital presence
Visits trend, bounce rate, engagement, and top countries.
Open the full profile on Mandos to see digital presence.
Tech stack
Technologies
The full stack behind the product — frameworks, clouds, security.
Open the full profile on Mandos to see technologies.
M&A
Acquisitions
Every acquisition this company has made, with dates and amounts.
Open the full profile on Mandos to see acquisitions.
Reviews & sentiment
Employee & product reviews
CEO approval, culture, comp, and detailed product ratings.
Open the full profile on Mandos to see employee & product reviews.
Leadership
Full leadership team
CEO, CxOs, VPs, and every exec with roles.
Open the full profile on Mandos to see full leadership team.
Competitors
Competitive landscape
The complete competitor set with overlap and positioning.
Open the full profile on Mandos to see competitive landscape.
News
Press & news coverage
The most recent mentions, announcements, and media coverage.
Open the full profile on Mandos to see press & news coverage.
Full profile
This public profile is a snapshot
The full Mandos profile of Illumioadds funding rounds & investors, valuation estimates, headcount & hiring trends, technology stack, executive moves, and real-time monitoring.
FAQ
Frequently asked questions about Illumio
When was Illumio founded?▾
Illumio was founded in 2013.
Where is Illumio headquartered?▾
Illumio is headquartered in Sunnyvale, United States.
How much funding has Illumio raised?▾
Illumio has raised a total of $557.5M in total funding.
Is Illumio public or private?▾
Illumio is a privately-held company.
How many employees does Illumio have?▾
Illumio has approximately 899 employees.
What does Illumio do?▾
Illumio provides Zero Trust Segmentation solutions for cybersecurity. The company's platform enables organizations to visualize all communications and traffic between workloads across on-premises and cloud environments. Their technology controls east-west traffic to reduce the risk of adversaries ac…
