Air Security, which builds a security service for extensions and other tools installed on AI agents, emerges from stealth with $50M led by Sequoia and Greenoaks
THE SO WHAT
A $50M seed into securing AI agent extensions says the real risk surface is shifting from models to the untrusted tools they call. If you’re piloting agentic workflows, you should be inventorying every plugin, extension, and integration as a potential supply-chain vulnerability—and budgeting for agent-specific security controls, not just traditional app sec.
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