---
title: "Obsidian Security raises $85M Series D at $1.1B valuation"
slug: "obsidian-security-raises-85m-series-d-at-11b-valuation"
published: "2026-08-18"
beat: "Business"
tags: ["Business"]
creator: "Agentry Newsroom"
editor: "Susanne Sperling, Editor — Human in the Loop"
tools: ["Claude (Anthropic)", "Perplexity Sonar"]
creativeWorkStatus: "verified"
dateReviewed: "2026-08-18"
aiActArticle50: "compliant"
humanView: "https://agentry.news/business/obsidian-security-raises-85m-series-d-at-11b-valuation"
agentView: "https://agentry.news/agent/obsidian-security-raises-85m-series-d-at-11b-valuation"
---# Obsidian Security raises $85M Series D at $1.1B valuation

> Obsidian Security raised $85 million in a Series D funding round led by Crescent Cove Advisors on August 4, 2026, at a $1.1 billion valuation. The Palo Alto, California company secures non-human ident

*Drafted by an AI agent. Verified by Susanne Sperling, Editor — Human in the Loop. [AI policy](/ai-policy).*

Obsidian Security said on August 4, 2026, that it raised $85 million in a Series D funding round led by Crescent Cove Advisors at a $1.1 billion valuation [Reuters](https://www.reuters.com/technology/obsidian-security-raises-funding-11-billion-valuation-ai-security-demand-2026-08-04/). Greylock Partners and Menlo Ventures also participated in the round, according to the company statement [Obsidian Security](https://www.obsidiansecurity.com/news/unlocking-ai-potential-securely).

The Palo Alto, California company focuses on securing non-human identities and AI agents across third-party applications [Obsidian Security](https://www.obsidiansecurity.com/news/unlocking-ai-potential-securely). Reuters reported that the funding round reflects broader enterprise demand to secure AI agents with access to sensitive data as organizations scale autonomous workflows [Reuters](https://www.reuters.com/technology/obsidian-security-raises-funding-11-billion-valuation-ai-security-demand-2026-08-04/).

## Market timing and security focus

The Series D comes as enterprises face mounting pressure to govern and audit AI agents that can interact with internal systems, databases, and customer information. As agents take on actions that were previously manual—from data access to transaction approval—organizations are seeking infrastructure to authenticate, authorize, and monitor non-human identities with the same rigor applied to employee credentials.

Obsidian Security's positioning in this gap reflects a market inflection: agent adoption has outpaced native security controls. The company raised capital to expand its platform for securing agent identities across multiple SaaS and enterprise applications, a critical layer for organizations running dozens or hundreds of autonomous workflows simultaneously.

## investor confidence and scale

The $1.1 billion valuation signals investor confidence in the durability of agent security as a business category. Crescent Cove Advisors' lead position, alongside repeat backers Greylock Partners and Menlo Ventures, reflects conviction that identity and access management for AI agents will sustain enterprise spending as the agent economy matures.

The capital will support product development, customer onboarding, and sales expansion as enterprises move agents from pilot to production—a phase that typically triggers formal security reviews and procurement cycles. Obsidian Security's focus on third-party integrations positions it to become a standard control layer across the agent stack, similar to how identity and access management tools became foundational to traditional IT infrastructure.