AIR Security’s $50M Seed Signals a $435M Agent-Security Category Is Forming While Platforms Ship at Full Speed
Investors poured $435 million into AI agent security startups across 12 separate financings over the last five months. The latest signal: AIR Security’s $50 million seed round, announced September 1, for a company building an inline firewall that vets the skills, plugins, and MCP servers AI agents rely on to function. That kind of money…