Outerlimit Raises $16M to Build Zero Trust Security Layer for Autonomous AI Agents
Brief
Outerlimit has emerged from stealth with $16 million in pre-seed funding to develop a decentralized security and authorization layer for autonomous AI agents .
Announced on September 22, 2026, the round was backed by AlbionVC, Evolution Equity Partners, and Crane Venture Partners, making it one of cybersecurity’s largest pre-seed raises, according to the company.
The London- and New York-based startup is targeting an enterprise security gap. Agentic AI systems can call tools, query sensitive data, use APIs, and execute workflows.
That autonomy creates risk when an agent is manipulated, misconfigured, or changes behavior after consuming untrusted content. Conventional identity and access management may authenticate an agent and grant access, but it does not necessarily constrain the precise action taken at execution time.