Key Takeaways
- • HiddenLayer closed a $100 million Series B funding round led by Delta-v Capital, with participation from Ten Eleven Ventures, Morgan Stanley, M12 (Microsoft's corporate venture fund), and Booz Allen Ventures.
- • The AI security company provides end-to-end protection across the AI lifecycle, including discovery, supply chain security, attack simulation, and runtime protection for agentic, generative, and predictive AI applications.
- • The funding reflects institutional investor confidence in AI security infrastructure as enterprises scale AI deployments and face evolving threats to proprietary models and regulatory compliance risks.
- • HiddenLayer's platform leverages patented technology and adversarial AI research to defend against attacks while protecting intellectual property and enabling safe AI adoption at scale.
Summary
HiddenLayer, an AI security company based in Austin, Texas, announced completion of a $100 million Series B funding round on September 3, 2026. The round was led by Delta-v Capital, with significant participation from venture capital and strategic investors including Ten Eleven Ventures, Morgan Stanley, M12 (Microsoft's corporate venture fund), and Booz Allen Ventures.
The company specializes in securing artificial intelligence systems across multiple architectures—agentic AI, generative AI models, and predictive analytics applications. HiddenLayer's platform addresses the entire AI development and deployment lifecycle, from initial AI discovery and supply chain security through attack simulation capabilities to runtime protection systems. According to the company, its offering combines patented technology with industry-leading adversarial AI research specifically designed to defend against emerging threats to AI systems.
The platform serves three primary business objectives for enterprise customers: intellectual property protection for proprietary models, regulatory compliance enablement, and risk mitigation as organizations adopt and scale AI applications. The funding round signals growing investor appetite for AI security infrastructure as enterprises increasingly deploy AI systems in production environments and face heightened scrutiny around model security, data integrity, and regulatory requirements. The participation of both traditional venture investors and strategic corporate investors—including Microsoft through M12 and defense-focused Booz Allen Ventures—indicates broad recognition of AI security as a critical infrastructure layer for enterprise AI adoption.
The company specializes in securing artificial intelligence systems across multiple architectures—agentic AI, generative AI models, and predictive analytics applications. HiddenLayer's platform addresses the entire AI development and deployment lifecycle, from initial AI discovery and supply chain security through attack simulation capabilities to runtime protection systems. According to the company, its offering combines patented technology with industry-leading adversarial AI research specifically designed to defend against emerging threats to AI systems.
The platform serves three primary business objectives for enterprise customers: intellectual property protection for proprietary models, regulatory compliance enablement, and risk mitigation as organizations adopt and scale AI applications. The funding round signals growing investor appetite for AI security infrastructure as enterprises increasingly deploy AI systems in production environments and face heightened scrutiny around model security, data integrity, and regulatory requirements. The participation of both traditional venture investors and strategic corporate investors—including Microsoft through M12 and defense-focused Booz Allen Ventures—indicates broad recognition of AI security as a critical infrastructure layer for enterprise AI adoption.
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