Onyx Security Raises $40M For Control Plane
Onyx Security launched on March 12, 2026, announcing $40 million in funding from Conviction Partners and Cyberstarts to build a secure AI control plane for autonomous agents. The platform discovers agents, monitors reasoning steps, and can approve, block, or correct actions in real time to address risks like hallucinations and prompt attacks. Onyx says it already serves multiple Fortune 500 customers and will expand engineering teams.
Key Points
- 1Announces $40 million funding to launch a secure AI control plane for autonomous agents
- 2Highlights emergent attack surface from agent errors, hallucinations, and malicious prompt-based attacks
- 3Enables security, governance, and infrastructure teams to monitor, intervene, and enforce policies
Scoring Rationale
Strong funding and enterprise traction drive relevance; limited novelty and incremental differentiation in a crowded AI-security startup landscape.
Sources
Public references used for this report.
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