Onyx Security Secures $113M Series B to Safeguard Enterprise AI Agents
As enterprises rapidly deploy AI agents, the critical need for robust security solutions is escalating. Israeli AI cybersecurity startup Onyx Security has addressed this by raising $113 million in Series B funding to scale its platform for managing and governing these autonomous AI entities.
The proliferation of AI agents across enterprise operations presents both immense opportunities and significant new security challenges. Onyx Security, an Israeli AI cybersecurity startup, has emerged as a key player in this evolving landscape, securing a substantial $113 million Series B funding round led by Bessemer Venture Partners. This investment will fuel the company's efforts to train its next-generation proprietary models and accelerate its market expansion, particularly in the US.
Onyx Security's platform is designed to discover, manage, and govern the use of AI agents, encompassing both third-party and internally developed solutions. It offers granular monitoring of an agent's reasoning process, enabling the identification of malicious or unintended behaviors before they can cause harm. This proactive approach is crucial as AI agents take on more autonomous roles within organizations.
The company, founded in 2024 by CEO Maxim Bar Kogan, a former Unit 8200 officer, and Chief AI Officer Gil Elbaz, an AI entrepreneur, has quickly gained traction. Just four months prior, Onyx Security exited stealth with $40 million in seed and Series A funding. Its rapid growth underscores the urgent demand for specialized security in the AI domain, a need highlighted by its existing collaborations with Fortune 500 companies and a recent integration with AI giant Anthropic to enhance secure AI adoption.
This latest funding positions Onyx Security to solidify its leadership in a nascent yet critical market. While many cybersecurity firms are adapting existing tools for AI, Onyx's AI-native approach to agent security offers a more integrated and comprehensive solution. The investment reflects a broader industry recognition that AI security cannot be an afterthought, but must be built into the foundation of AI agent deployment.
INTELLIGENCE BRIEF
WHY IT MATTERS
The rapid adoption of AI agents is creating a new attack surface for enterprises, making specialized security solutions indispensable. Onyx Security's significant funding validates the market's recognition of this emerging threat and the need for dedicated platforms to ensure the safe and controlled deployment of AI.
WHO IS INVOLVED
Onyx Security; Maxim Bar Kogan (CEO, Co-founder); Gil Elbaz (Chief AI Officer, Co-founder); Bessemer Venture Partners
MARKET IMPACT
This funding round signals a maturing AI cybersecurity market, emphasizing that security for AI agents is becoming a distinct and high-value segment. It will likely spur further investment and innovation in platforms designed to govern the behavior and interactions of autonomous AI systems, moving beyond traditional endpoint security.
This story was drafted with AI assistance and reviewed by TurkSpark editors before publication. Facts, figures, and names may be inaccurate — verify important details independently.
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