Onyx Security
A secure AI control plane platform for discovering, monitoring, and governing enterprise AI agents.
About
Onyx Security offers a secure AI control plane for enterprises, enabling them to discover, control, and govern AI agents and models across SaaS, cloud, and endpoints. Their platform provides AI observability, security, governance, orchestration, and ROI measurement to protect sensitive data, enforce policies, and ensure compliance. Onyx serves security, governance, and AI teams looking to manage AI agent adoption and mitigate risks.
Key facts
- Website
- onyx.security
- Headquarters
- Tel Aviv, Israel
- Founded
- 2024
- Employees
- 98
- Total funding
- $158M (Series B)
- Valuation
- Private
- Business model
- B2B
- Tags
- AI GovernanceAI ObservabilityCybersecurityAgentic AIAI Agent
Funding rounds
| Date | Round | Amount | Lead investors |
|---|---|---|---|
| 29 Jul 2026 | Series B | $113M | Bessemer Venture Partners |
| 11 Mar 2026 | Undisclosed round | $40M | - |
| 1 Jan 2024 | Seed | $5M | Cyberstarts |
Tech stack
Detected on onyx.security and in its job posts, last scanned 21 Sept 2026. Run your own scan
- Frontend
- Bootstrap, React
- Backend
- Python, Node.js
- Auth
- Frontegg
- Analytics
- Google Analytics 4, Google Tag Manager
- Observability
- incident.io
- Support
- HubSpot
- CMS / Builders
- Webflow
- CDN
- Cloudflare
- Hosting
- AWS, Azure, Google Cloud
- Email provider
- Google Workspace
- Visitor tracking
- ZoomInfo WebSights
- DevOps
- Kubernetes, Docker
“Onyx Security Launches With $40 Million to Secure AI Agents. Onyx Security has emerged with significant funding aimed at providing comprehensive control and security for autonomous AI agents.”
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Frequently asked
Is Onyx Security trustworthy and reputable?
StartupHub's Data Trust & Reputation score for Onyx Security is 68 out of 100, based on site security posture and privacy practices.
How much funding has Onyx Security raised?
Onyx Security has raised a total of $158M in funding. The most recent round on record is Series B.
How many employees does Onyx Security have?
Onyx Security has approximately 98 people on record.
Confirmed customer relationships for Onyx Security. Speculative buyer-fit guesses are not shown.