Onyx Security
AI Agent Security Platform to Discover, Govern, and Protect all Enterprise AI Agents
Company Overview
Snapshot
Founded in June 2024 by Maxim Kogan, Gil Elbaz, and Shachak Zicher, Onyx Security operates with 11–50 employees. The company has raised $153M across 3 funding rounds from 4 investors. In July 2026, Onyx Security secured a significant funding round, highlighting strong investor confidence in its AI agent security platform.
Business overview
Onyx Security provides an AI agent security platform designed for enterprise security teams. The platform's core technology enables organizations to discover, inventory, and continuously assess AI agents across their systems. It allows security teams to define and enforce policies for agent access and actions, with the Onyx Guardian Agent monitoring behavior at runtime, flagging excessive permissions, and blocking unsafe activities. The company serves enterprises seeking to adopt agentic AI at scale while maintaining visibility, control, and compliance, operating within the Cyber Security sector, specifically focusing on Application & Website Security and Legal & Compliance Solutions.
Strategic signal
In July 2026, Onyx Security raised $113M in a Series B round, just four months after emerging from stealth. This rapid follow-on funding, led by Bessemer Venture Partners, signals strong market validation for its AI agent security platform and underscores the urgent demand for specialized cybersecurity solutions as enterprises increasingly adopt AI agents. The investment positions Onyx Security as a key player in a rapidly expanding cybersecurity market segment.
Log in to access full profile ›Company Intelligence Q&A
- What is Onyx Security's primary focus?
- Onyx Security develops an AI agent security platform that helps enterprise security teams discover, govern, and protect all AI agents within their organization.
- When was Onyx Security founded and by whom?
- Onyx Security was founded in June 2024 by Maxim Kogan, Gil Elbaz, and Shachak Zicher.
- What was a significant funding event for Onyx Security?
- In July 2026, Onyx Security raised $113M in a Series B funding round, led by.
- Which investors participated in Onyx Security's March 2026 funding round?
- In March 2026, Onyx Security received funding from Conviction Ventures and Doron Alter.
- What is the total capital raised by Onyx Security?
- Onyx Security has raised a total of $153M across its funding rounds.