Infisical Raises $40M Series B at $600M Valuation

Infisical, based in San Francisco, is a cybersecurity company specializing in secret management, encryption keys, and privileged access infrastructure. The company has raised $40 million in Series B funding at a $600 million valuation to address security challenges related to enterprise AI adoption and AI agent credential management.

Investors

The round was led by Elad Gil, who previously invested in the company's Series A. Additional participating investors included Gradient and Y Combinator.

Infisical Use of Funds

Infisical plans to use the new capital to accelerate product development, expand its engineering and go-to-market teams, and build out its security infrastructure for AI agents, specifically focusing on its Agent Vault technology.

About Infisical

Founded by Vlad Matsiiako, Maidul, and Tony, Infisical provides open-source and enterprise solutions for managing secrets, certificates, encryption keys, and privileged access. Its platform helps developers and organizations securely store, manage, and control access to sensitive credentials across applications and infrastructure, including AI agents.

Funding Details

Company Website: https://infisical.com

Company: Infisical
Raised: $40M
Round: Series B
Funding Date: October 27, 2026
Lead Investor: Elad Gil
Additional Investors: Gradient, Y Combinator
Company Website: https://infisical.com
Software Category: Cybersecurity
Source: https://www.unite.ai/infisical-raises-40-million-series-b-at-600-million-valuation-to-secure-ai-agent-access/