WitnessAI, an enterprise AI security and governance vendor, said it has raised $58 million in a strategic funding round to accelerate global go-to-market efforts and broaden its product portfolio as more companies deploy autonomous, agent-based AI systems. The round was led by Sound Ventures, with participation from Fin Capital, Qualcomm Ventures, Samsung Ventures, and Forgepoint Capital Partners, according to the company. WitnessAI said the capital will be used to expand internationally and scale product development focused on securing AI agents alongside traditional large-language-model usage.
At the same time, WitnessAI announced expanded “agentic” AI governance capabilities designed to give security teams greater visibility into how AI agents operate inside enterprises, including which tools they invoke, what data they access, and how they make decisions in real time.
WitnessAI said its approach to agent security has two main components. First, it aims to monitor AI agent activity in a way that parallels oversight of LLM interactions, tracking which agents are running, what MCP servers and tools they are connecting to, and what information they are sharing. The company said it can link human identities to agent identities and capture runtime context—such as agent state and execution commands—to provide explainability for agent actions and observability across both human and agent-driven workflows.
Second, WitnessAI said it is extending AI application protection from models to agents by blocking malicious prompts and attacks before they reach an agent. The company said this is intended to protect “multi-generational” AI applications that may span foundational model APIs, custom LLMs, and autonomous agents. WitnessAI also emphasized policy controls based on behavioral intent, arguing that intent-based understanding enables more precise enforcement against threats such as prompt injection and multi-turn attacks.
The company said its agentic security capabilities will be available in January 2026.
WitnessAI also pointed to rapid recent growth as enterprises increase spending on AI governance and security. The company said it has grown annual recurring revenue by more than 500% over the past 12 months and expanded headcount fivefold. It said production customers include large publicly traded enterprises across industries including financial services, utilities, automotive, airlines, retail, and telecommunications.
The new round follows WitnessAI’s last major raise in May 2024, when it disclosed a $27.5 million Series A co-led by Google Ventures and Ballistic Ventures.
KEY QUOTES:
“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.”
Ashton Kutcher, General Partner, Sound Ventures
“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.”
Tushar Gupta, Vice President, Qualcomm Technologies Inc., and Managing Director, Qualcomm Ventures North America
“Enterprises are just getting started with mobile AI. As models move from the cloud to the device, security organizations will require AI controls that protect devices as well as corporate desktops and servers. WitnessAI has built an architecture that can scale to handle global enterprise AI adoption, and we are happy to be part of that journey.”
Samsung Ventures Vice President
“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.”
Logan Allin, Managing Partner, Fin Capital
“AI adoption in financial services requires not only innovation but also the highest standards of security and accountability. As one of Japan’s leading financial institutions, SMBC sees great significance in supporting WitnessAI’s growth as it advances responsible AI implementation.”
Keiji Matsunaga, General Manager, Digital Strategy Department, SMBC
“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.”
Rick Caccia, Co-Founder and CEO, WitnessAI
