Obsidian Security announced an $85 million Series D funding round led by Crescent Cove Advisors, with participation from existing investors. The company, which focuses on securing non-human identities and AI agents, plans to use the funds to expand its offerings, including support for Claude Code and Microsoft Copilot.
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With non-human identities outnumbering human identities 144 to 1, and over 70% of customers already allowing agents into third-party apps, Obsidian Security's $85M Series D bet centers on a core thesis: the key to AI agent security lies not in the models themselves, but in the execution layer between agents and third-party applications.
Obsidian Security announced on August 13, 2026, that it had completed an $85 million Series D funding round, led by Crescent Cove Advisors, with participation from existing investors Greylock Partners and Menlo Ventures. The company positions itself as a 'platform for protecting non-human identities and AI agents across third-party applications.'
The funding announcement disclosed growth metrics: over 100 customers with annual spending exceeding $100,000, and more than 14 customers exceeding $1 million annually. CEO Hasan Imam stated that over 70% of customers have already allowed agents into third-party applications, and this proportion is still rising. These figures come from the company's press release and are self-reported, not independently verified.
Jun Hong Heng, founder and chief investment officer of Crescent Cove, said in a statement that AI is transforming how enterprises operate, traditional security models cannot cope, and Obsidian identified this shift early. This is an investor's perspective.
This report is based on Obsidian Security's official press release. All data (such as customer counts, revenue thresholds, and the non-human identity ratio) and cases come from the company's self-reporting and have not been independently verified. Investor statements and CEO remarks are opinion. Readers should treat these figures with caution, especially the 144:1 ratio and incident cases, which may carry promotional intent.
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