Palo Alto's Obsidian Security raised $85 million in Series D funding led by Crescent Cove Advisors, with Greylock and Menlo Ventures rejoining, valuing the firm at $1.1 billion and lifting total funding past $200 million. The platform polices non-human identities and AI agents inside third-party apps such as Salesforce, Slack, and GitHub, and is adding native controls for Anthropic's Claude Code and Cowork. Obsidian cites more than 100 customers spending over $100,000 a year and 60 Fortune 500 logos. Why it matters: investors keep funding runtime guardrails as agents touch production SaaS. Caveat: growth metrics come from the company's announcement.