The round was led by Crescent Cove Advisors, with participation from all existing investors including Greylock Partners and Menlo Ventures. The round follows accelerating customer growth with more than 100 customers now spending over $100K annually and over 14 customers spending more than $1 million today. As enterprises adopt AI agents built on next-gen models across platforms like Anthropic's Claude, OpenAI's ChatGPT, and Microsoft Copilot Studio, they are increasingly turning to Obsidian to secure how those agents operate inside the third-party applications that run their business.

Obsidian Security secures the AI-first enterprise, governing data, AI and agents inside third-party applications. Trusted by Fortune 1000 and Global 2000 enterprises, Obsidian gives security teams visibility into what's connected, controls to enforce what's allowed, and the runtime context to govern AI and agent activity before it causes damage inside critical business systems.