Illumio

Illumio has raised $566 million, including a $225 million Series F in June 2021 at a $2.75 billion valuation. Founded in 2013, the company provides zero trust segmentation and breach containment for hybrid cloud and on premise environments. Its platform maps application dependencies, visualizes workload communications, and enforces micro segmentation to reduce lateral movement in attacks. Illumio’s funding supports product development, enterprise scale deployments, and AI driven security graphs that improve incident response and help organizations contain breaches more effectively.