WitnessAI
Category: AI in Cybersecurity
An enterprise-grade 'Agentic Security' platform designed to provide visibility, control, and guardrails for autonomous AI agents and Generative AI deployments. WitnessAI was founded in 2023. The company is led by Rick Caccia. Based in Mountain View, USA. Team size: 73. Total funding raised: $85.5M. Latest round: Series B, $58.0M, 2025-01, led by Sound Ventures. Key investors include Sound Ventures, GV (Google Ventures), Lightspeed Venture Partners, Ballistic Ventures, Anthropic, SentinelOne.
AMW Analysis
WitnessAI operates in AI cybersecurity, offering an "Agentic Security" platform that gives enterprises visibility, control, and guardrails over autonomous AI agents and generative AI deployments. Its stated value proposition centers on a centralized security layer that prevents data leakage, supports regulatory compliance, and intercepts unauthorized agent actions in real time. Founded in 2023 and based in Mountain View, USA, the company has raised $85.5M in total funding to date.
Recent news flow centers on a single financing event: a $58.0M Series B closed in January 2025, led by Sound Ventures, with participation from investors including GV, Lightspeed Venture Partners, Ballistic Ventures, Anthropic, and SentinelOne. Coverage of the round frames the capital as intended to scale the company's governance platform as enterprises shift from basic prompt filtering toward multi-agent observability, and highlights a specific product direction tied to this raise: governance for Model Context Protocol (MCP) servers, providing observability into agent states and tool interactions and aimed at blocking prompt injections. Reported items also note a team size of 500 people associated with this phase of the company's development.
AMW analysis, generated from 2 tracked news signals.
- Founded
- 2023
- Headquarters
- Mountain View, USA
- Team size
- 73
- Total funding
- $85.5M
Value proposition
Enables organizations to safely deploy autonomous AI by providing a centralized security layer that prevents data leakage, ensures regulatory compliance, and intercepts unauthorized agent actions in real-time.
Products and solutions
Agentic Security Platform (Core governance layer), Real-time AI Guardrails (Policy enforcement), AI Observability & Audit Engine (Visibility into agent behavior), Secure AI Gateway (Interception and inspection of LLM traffic), Compliance & Data Privacy Modules, Agentic Control (Governance for AI agents, tools, and MCP servers, launched June 2026)
Unique value
Unlike traditional AI security that focuses on static prompts, WitnessAI focuses on 'Agentic Security'—securing the autonomous actions and decision-making processes of AI agents interacting with enterprise data.
Target customer
Global 2000 enterprises, Chief Information Security Officers (CISOs), and IT governance teams deploying autonomous AI agents.
Industries served
Cybersecurity, Financial Services, Healthcare & Life Sciences, Technology & Software, Legal & Professional Services
Technology advantage
The platform utilizes a 'transparent proxy' architecture that requires no changes to existing AI models or agent code. It is led by a founding team with deep pedigree from Palo Alto Networks, Google, and Exabeam, providing a unique 'security-first' approach to AI governance.
How they differentiate
WitnessAI distinguishes itself through 'Agentic Security,' focusing specifically on the autonomous actions of AI agents rather than just static LLM prompts. Its 'transparent proxy' architecture allows enterprises to implement security guardrails without modifying existing AI model code or agent workflows.
Main competitors
Protect AI, HiddenLayer, Lakera
Key partnerships
Anthropic (Strategic investor and ecosystem partner), SentinelOne (Strategic investor and security integration partner), GV (Google Ventures), Sound Ventures, Ballistic Ventures, NTT DATA Japan (Strategic reseller partner, announced April 2026)
Notable customers
Global 2000 Enterprises, Anthropic (Ecosystem Partner), SentinelOne (Strategic Partner)
Major milestones
Emerged from stealth in May 2024 with $27.5M in initial funding., Launched the industry's first dedicated Agentic Security platform in 2024., Raised $58M Series B in January 2025 to accelerate global expansion and R&D for autonomous AI security.
Growth metrics
Scaled team to over 70 employees within two years; expanded platform to support autonomous agentic workflows for Global 2000 clients.
Market positioning
Category leader in the emerging Agentic Security and AI Governance space for Global 2000 enterprises.
Geographic focus
Global, with primary operations in North America and active expansion into Europe and Asia-Pacific markets.
Patents and IP
Proprietary 'interceptor' technology and policy enforcement logic (specific patent filings not publicly disclosed as of early 2025).
About Rick Caccia
Rick Caccia is a veteran cybersecurity executive with over 25 years of experience. Prior to co-founding WitnessAI, he served as the Senior Vice President and Chief Marketing Officer at Palo Alto Networks (2021–2023). He was the first CMO at Exabeam, where he helped scale the company to a unicorn valuation. His previous leadership roles include VP of Marketing at Google Cloud (Security/Chronicle), and executive positions at ArcSight (leading to its IPO and $1.5B acquisition by HP) and Symantec.
Latest news about WitnessAI
- WitnessAI secured 58M USD in Series B funding led by Sound Ventures to advance its enterprise AI security and agent governance platform. This capital injection highlights a systemic shift as organizat
- WitnessAI raised 58 million dollars in strategic funding led by Sound Ventures to scale its security platform for the agentic era. As enterprises move from chatbots to autonomous agents, WitnessAI is
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Official website: https://witness.ai
