What is Onyx?
Onyx Security Inc. operates as a specialized cybersecurity and governance platform engineered specifically for the emerging landscape of agentic AI. As organizations deploy autonomous and semiautonomous agents to automate complex tasks, they face unprecedented visibility and risk management challenges. Onyx addresses these vulnerabilities by treating AI agents as first-class assets within the corporate environment.
The platform provides a centralized control plane that allows security teams to discover, monitor, and govern AI agents across disparate environments. By enabling granular policy enforcement and continuous compliance monitoring, Onyx ensures that enterprises can leverage the productivity gains of AI-driven operations without compromising their security posture. This focus on the lifecycle management of AI agents positions the company as a critical layer in the modern enterprise technology stack.
How much funding has Onyx raised?
Onyx has raised a total of $153M across 2 funding rounds:
Other Financing Round
$40M
Series B
$113M
Other Financing Round (2026): $40M with participation from CyberStarts and Conviction
Series B (2026): $113M led by Conviction, CyberStarts, Technology Crossover Ventures, Bessemer Venture Partners, FirstMark Capital, G Squared, Vintage Investment Partners, and Quantum Light Pvt
Key Investors in Onyx
CyberStarts
Cyberstarts is an Israel-based venture capital firm founded in 2018 by cybersecurity entrepreneur Gili Raanan, focusing exclusively on early-stage cybersecurity startups through its unique Sunrise model.
Technology Crossover Ventures
Technology Crossover Ventures is a Menlo Park-based firm established in 1995 that specializes in growth-stage investments, including acquisitions, mergers, and recapitalizations.
Bessemer Venture Partners
Bessemer Venture Partners is a long-standing venture capital firm with a global footprint, known for its extensive history of supporting innovative technology companies since its inception in 1911.
What's next for Onyx?
With the successful closure of this major strategic investment, Onyx is well-positioned to accelerate its product development roadmap and expand its market reach. The company is expected to prioritize the enhancement of its automated governance features, ensuring that its platform remains ahead of the evolving threat vectors associated with large-scale AI deployment. Furthermore, the infusion of capital will likely support aggressive go-to-market strategies, enabling Onyx to capture a larger share of the enterprise cybersecurity market as AI adoption becomes ubiquitous.
Looking ahead, the firm will likely focus on deepening its integrations with existing enterprise software ecosystems, providing seamless security oversight for complex, multi-agent workflows. As the regulatory environment for AI matures, Onyx's ability to provide audit-ready compliance and risk management will be a key differentiator, cementing its role as an essential partner for organizations navigating the complexities of the AI-native future.
