WitnessAI
WitnessAI is the confidence layer for enterprise AI, providing the unified platform enterprises trust to observe, control, and protect all AI activity. We govern your entire workforce, human employees and AI agents alike, with network-level visibility that illuminates shadow AI and intent-based controls that understand context rather than just keywords. We deliver runtime security for models, applications, and agents, deployable through network integration or lightweight APIs, blocking novel threats before they compromise your systems and filtering harmful outputs before they reach users. Our single-tenant architecture ensures data sovereignty and compliance, transforming security into the enabler of your AI strategy.Learn more at https://witness.ai.
WitnessAI is a data security software products company headquartered in Mountain View, California, United States. The team counts 101 people, up 46% over the last year. WitnessAI has 1 open role right now and a website drawing 40K monthly visits.
Employee growth
WitnessAI grew from ~1 employees in May 2023 to 44 by December 2024, reaching 101 by August 2026, tracked weekly in Crustdata's proprietary dataset since May 2023.
Capital raised
WitnessAI has raised $85.5M across 3 rounds since 2024 - from a $27.5M Series A to a $58M Venture Round - most recently 217 days ago.
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In January 2026, WitnessAI raised $58M in a Venture Round round led by Sound Ventures, with Silver Buckshot Ventures, Samsung Ventures, Qualcomm Ventures, Google Ventures, and Forgepoint Capital participating.
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In May 2024, WitnessAI raised $27.5M in a Series A round led by Google Ventures, with Ballistic Ventures and Aro Ventures participating.
Investors
WitnessAI's 13 backers include leading firms such as Ballistic Ventures, Google Ventures, Sound Ventures, and Samsung Ventures.
Leadership
WitnessAI's leadership includes Chief Revenue Officer (CRO) Todd Chronert, Chief Product Officer Dan Graves, Chief Business Officer Faisal Rahman, and CEO Rick Caccia.
Industries & markets
WitnessAI is classified across the following industries, categories, and markets that Crustdata tracks for competitive analysis and sector benchmarking.
See the top Data Security Software Products companies ranked by size, growth and funding.
In the news
WitnessAI has been featured in recent press coverage that Crustdata tracks to surface signals on launches, fundraising, partnerships, and other newsworthy events.
- WitnessAI Showcases AI Security Focus at Black Hat 2026
- WitnessAI: Interview With Co-Founder & CEO Rick Caccia About The Security And Governance Platform
- WitnessAI Unveils NER-D, a Breakthrough AI Model for Context-Aware Sensitive-Data Detection
- WitnessAI Introduces Agentic Control to Secure and Govern AI Agents and MCP Servers
Open positions
WitnessAI has 1 open role, 100% based in the US; sales are the most-hired functions.
WitnessAI is hiring for 1 role in United States, mostly in sales.
WitnessAI Growth Score
WitnessAI has a Crustdata Growth Score of 77 out of 100, which points to high growth. Behind the number: headcount grew 46% year over year, web traffic grew 368% quarter over quarter, 1 role is open, and it last raised funding 7 months ago.
WitnessAI FAQs
Below are 11 of the most common questions about WitnessAI, answered with data tracked and refreshed weekly using Crustdata's proprietary dataset.