Illumio

Illumio
Company typeCloud computing security
IndustryData Center and Cloud computing security
Founded2013
FoundersAndrew Rubin, P.J. Kirner
Headquarters,
ProductsIllumio Segmentation, Illumio Insights
Websitewww.illumio.com

Illumio is an American cybersecurity company headquartered in Sunnyvale, California, specializing in breach containment. The company’s platform helps prevent lateral movement and strengthen cyber resilience across hybrid and multi-cloud environments.

History

Illumio was founded in 2013 by Andrew Rubin and P.J. Kirner. The company's initial funding rounds attracted notable investors, including Andreessen Horowitz, General Catalyst, and Formation 8.[1] In April 2015, Illumio raised $100 million in a Series C funding round led by BlackRock and Accel Partners, bringing total funding to over $142 million at that time.[2]

In June 2017, the company secured a $125 million Series D funding round led by clients advised by J.P. Morgan Asset Management, the funding supported product development and international expansion.[3]

By June 2021, Illumio had raised a $225 million Series F funding round led by Thoma Bravo, achieving a valuation of $2.75 billion.[4] This funding was intended to expand investments in customer success, product innovation, and global partner strategies.

Customers

Illumio’s customers span sectors such as finance, technology, and hospitality.[5]

Funding

As of June 2021, Illumio has raised a total of $558.2 million across multiple funding rounds:

  • Series B (2013): $34.5 million [6]
  • Series C (2015): $100 million [2]
  • Series D (2017): $125 million [3]
  • Series E (2019): $65.2 million [7]
  • Series F (2021): $225 million [4]

See also

References

  1. ^ Hesseldahl, Arik. "Stealth Security Startup Illumio Secures $34 Million From General Catalyst". Website. All Things D. Retrieved 18 September 2013.
  2. ^ a b "Illumio Raises $100 Million in Series C Financing Round - Illumio News | Illumio". www.illumio.com. Retrieved 2025-12-12.
  3. ^ a b "Illumio Closes $125 Million Series D Led By J.P. Morgan Asset Management To Accelerate Companys Leadership In Adaptive Segmentation - Illumio News | Illumio". www.illumio.com. Retrieved 2025-12-12.
  4. ^ a b "Illumio Secures $225 Million at $2.75 Billion Valuation to Stop Cyber Disasters with Zero Trust Segmentation - Illumio News | Illumio". www.illumio.com. Retrieved 2025-12-12.
  5. ^ "Customer Stories| Illlumio". www.illumio.com. Retrieved 2025-12-12.
  6. ^ FinSMEs (2013-09-20). "Illumio Closes $34M Series B Funding". FinSMEs. Retrieved 2025-12-12.
  7. ^ "Illumio Raises $65M and Expands Leadership Team with New CFO and Board Director Appointment - Illumio News | Illumio". www.illumio.com. Retrieved 2025-12-12.