Obsidian Security
Obsidian Security Raises $85M Series D for AI Agent Security
Obsidian Security announced $85M in Series D financing on August 4, 2026. Obsidian Security raised an $85 million Series D led by Crescent Cove Advisors at a $1.1 billion valuation to secure AI agents and data inside third-party applications.
Round details
The financing includes backing from Crescent Cove Advisors, Greylock Partners, Menlo Ventures, Norwest Venture Partners, IVP, Wing Ventures, Google Ventures. The company reported a $1.1B valuation alongside the transaction.
- Round: Series D
- Capital announced: $85M
- Headquarters: Palo Alto, CA
How the company plans to use the capital
Obsidian said it will use the funding to bring its platform to more of the Fortune 500 and Global 2000.
Why this matters for GTM teams
Obsidian says non-human identities outnumber human identities 144 to 1 inside third-party applications, where its platform governs data, AI and agents.
Fresh capital is often an operational signal rather than a buying signal by itself. Teams should validate the company’s hiring pattern, product launches, geographic expansion, and technology priorities before choosing the message and timing of outreach.
Source and methodology
This report is based on the company’s announcement and records the disclosed amount, round, investors, location, and stated use of funds. SalesTools Research does not estimate undisclosed valuation or revenue figures.
Primary source: Obsidian Security Series D announcement.
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Investors (7)
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