Series B · Cybersecurity

Infisical raises $40m Series B at $600m valuation

Elad Gil leads the financing as Infisical expands security tools for developers, machines and AI agents.

Infisical has raised $40 million in Series B funding at a $600 million valuation. Elad Gil led the round, with Y Combinator (YC), Gradient Ventures, Gallery Ventures, Pace Capital and Dynamic Capital participating.

The company will invest in secrets management, certificate management and privileged access, alongside Agent Vault, which gives AI agents access to sensitive systems without exposing their underlying credentials. Infisical also plans to expand hiring across engineering, sales and other teams as it builds out the platform.

Use of funds

Secrets and certificate management

Privileged access and AI agent security

Hiring

Funding history

Series B · This round$40M

Sources

  1. Infisical USD40m SeriesBinfisical.com · Oct 27, 2026