# Obsidian Security

> Secures non-human identities and AI agents across third-party enterprise applications.

## Why it is interesting

Series D $85M at $1.1B (Aug 2026) as Obsidian pivots from classic SaaS posture into agent identity governance — Menlo and Greylock returning with Crescent Cove leading.

## Profile

- **Latest funding:** Series D — $85M (August 2026)
- **Latest known valuation:** $1.1B (August 2026)
- **Total disclosed equity funding:** $85M
- **Stage:** growth
- **Status:** private
- **Industries:** cybersecurity, ai-ml, enterprise-saas
- **Coverage:** full
- **Last updated:** 2026-08-12
- **Latest funding investors:** Crescent Cove Advisors, Menlo Ventures, Greylock Partners

## Key facts

- Series D (Aug 4, 2026): $85M at $1.1B valuation (company / Reuters)
- Lead: Crescent Cove Advisors; returning Menlo Ventures and Greylock
- Company: 100+ customers >$100K ACV; 14+ >$1M; 60 of Fortune 500
- Total funding reported >$200M

## Funding history

- Series D · $85M · August 2026
  Source: https://www.obsidiansecurity.com/news/unlocking-ai-potential-securely

## Investors in our directory

- https://venturecapitaltracker.com/fund/menlo-ventures
- https://venturecapitaltracker.com/fund/greylock-partners

## Related articles

- https://venturecapitaltracker.com/2026-obsidian-security-85m-series-d-menlo-ai-agents
- https://venturecapitaltracker.com/2026-august-11-12-investment-news-personal-ai-defense-health

**By:** [Venture Capital Tracker](https://venturecapitaltracker.com/editorial-policy)
**Last updated:** August 12, 2026

**Editorial note:** AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.

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Source: https://venturecapitaltracker.com/startup/obsidian-security