Enterprise AI security platform WitnessAI raises $58m

WitnessAI

WitnessAI has raised fresh capital totalling $58m as demand accelerates for tools that allow organisations to deploy AI with confidence and regulatory oversight.

The company announced it has secured $58m in strategic funding, led by Sound Ventures, with participation from Fin Capital, Qualcomm Ventures, Samsung Ventures, and Forgepoint Capital Partners.

The investors bring a mix of deep technology, financial services, and corporate venture expertise as WitnessAI looks to expand its footprint globally.

Founded to address the growing security risks associated with enterprise AI adoption, WitnessAI positions itself as a confidence layer for organisations developing and deploying AI systems. Its platform is designed to secure AI interactions across models, applications, and users, offering governance and protection as AI becomes embedded across business operations. As companies increasingly adopt agentic AI, the firm has focused on delivering visibility and control across both human and machine-driven workflows.

The new capital will be used to accelerate WitnessAI’s global go-to-market strategy and expand its product capabilities, particularly around agentic AI governance. The company said the funding will support entry into new markets and help scale its platform to meet the needs of large enterprises deploying AI across cloud, edge, and device-level environments.

Alongside the funding announcement, WitnessAI unveiled expanded agentic AI governance capabilities that introduce observability for enterprises developing and deploying AI agents. The platform secures AI agents in two distinct ways. First, it monitors agent activity in a similar way to large language model interactions, tracking which agents are active, what tools and servers they access, and what data they share. By connecting human and agentic identities and capturing execution context at runtime, the platform provides explainability for agent actions across both workforces.

Second, WitnessAI extends AI application protection from models to agents, blocking malicious prompts and attacks before they reach an agent. The company said this enables protection for multi-generational AI applications built on foundational model APIs, custom LLMs, and AI agents, with policy enforcement based on behavioural intent rather than static rules.

The company said its Agentic Security offering will be available from January 2026. Over the past 12 months, WitnessAI reported more than 500% growth in annual recurring revenue and increased employee headcount fivefold. Its production customers include large publicly listed enterprises across financial services, utilities, automotive, aviation, retail, and telecommunications.

Sound Ventures general partner Ashton Kutcher said, “The primary barrier to enterprise AI adoption isn’t tech debt; it’s tech doubt. WitnessAI has proven it can instill confidence in AI adoption, and has done so for multiple global leaders. We are thrilled to support the team as they use this capital to expand into new markets and solidify their position as the leading standard for safe, secure enterprise AI.”

Qualcomm Technologies Inc. vice president and Qualcomm Ventures North America managing director Tushar Gupta said, “The future of AI is hybrid, spanning both cloud and edge. Qualcomm is delivering AI-first experiences across a multitude of devices, where privacy and security are paramount. WitnessAI has developed a platform that governs and protects AI agents, models, applications, and users—wherever they operate. We’re excited to invest in WitnessAI as they build the essential infrastructure for the agentic era.”

Fin Capital managing partner Logan Allin said, “Financial Services often leads the way in new technology adoption, and AI is no exception. We believe that WitnessAI is poised to be the category leader in secure AI adoption for financial services institutions of all sizes across banks, asset and wealth managers, and insurers, all of whom are crossing the chasm and must do so with a robust bridge.”

WitnessAI co-founder and CEO Rick Caccia said, “AI workflows are maturing and starting to cross corporate and cloud LLMs and agents. We are the only AI security vendor that can secure every AI interaction, everywhere, with a unified solution. The alternative is trying to stitch together secure workflows using network proxies, firewalls, DLP products, and XDR agents. In short, the alternative is a complex mess.”

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