WitnessAI logo

WitnessAI

Emerging

Unified AI security and governance platform. 500%+ ARR growth. Raised $58M (Jan 2026). Agentic AI governance for shadow AI discovery. Founded 2023, California.

Best for: AI Security & GovernanceEmerging, rapid growth
39
AI Score
Grade D
AI Visibility Score (Beta)
CybersecurityAI Security & GovernanceWebsiteUpdated October 2026

Brand Intelligence Graph

Capabilities
AI Security & Governance

Company Overview

About WitnessAI

WitnessAI is an AI security and governance platform founded in 2023 and headquartered in California. The company was built to address a critical enterprise blind spot: as employees and business units adopt AI tools at an accelerating pace — often without IT or security approval — organizations lack the visibility, control, and auditability needed to manage how AI is being used with sensitive data. WitnessAI's founding thesis is that AI governance must be built as dedicated infrastructure, not bolted onto existing security tools, to handle the unique risks introduced by generative and agentic AI systems.

Business Model & Competitive Advantage

The platform provides unified discovery of shadow AI usage across an organization, policy enforcement for approved AI tools, real-time monitoring of AI interactions for data leakage and compliance violations, and governance controls for agentic AI workflows that operate autonomously on behalf of users. WitnessAI integrates with enterprise identity providers, SaaS platforms, and security information systems to give CISOs and compliance teams a centralized view of AI risk. Its agentic AI governance capabilities address the emerging challenge of AI agents taking consequential actions within enterprise systems without adequate human oversight.

Competitive Landscape 2025–2026

WitnessAI raised $58 million in January 2026 and has achieved over 500% ARR growth, reflecting the urgency enterprises feel around AI governance as regulatory scrutiny and data breach risks from AI misuse intensify. The company competes in the rapidly forming AI security category alongside Nightfall AI, Securiti, and emerging offerings from established security vendors. Its early mover advantage, purpose-built architecture, and focus on agentic AI governance differentiate it as enterprises move beyond basic acceptable-use policies toward enterprise-grade AI governance frameworks.

Founded
2023
Headquarters
California
Curated content • Fact-checked and verified

Recent Activity

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blog_post
Is Microsoft Copilot HIPAA compliant?

A healthcare Copilot rollout requires both Microsoft’s BAA coverage and health system controls. That’s why health systems ask “is Microsoft Copilot HIPAA compliant” before deployment. Microsoft lists Microsoft 365 Copilot and Microsoft 365 Copilot Chat as in-scope services under its HIPAA business associate agreement. Its own documentation ties that coverage to how the tenant is ... Read more » The post Is Microsoft Copilot HIPAA compliant? appeared first on WitnessAI .

blog_post
What is adversarial prompting?

Adversarial prompting is the deliberate crafting of inputs that push a large language model into behavior the enterprise did not intend. The model may depart from its instructions in ways that affect protected data or downstream actions. Those inputs arrive as ordinary language: a customer chat message, a shared document, an email, or a tool ... Read more » The post What is adversarial prompting? appeared first on WitnessAI .

blog_post
AI agent observability and audit logging

Autonomous AI agents now call APIs, query production databases, open pull requests, and execute transactions inside Global 2000 environments. AI agent observability records what an agent did, which tools it invoked, the context and sequence of actions that produced the outcome, and who authorized the work. Audit logging preserves those records as tamper-evident evidence that ... Read more » The post AI agent observability and audit logging appeared first on WitnessAI .

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MCP authentication and authorization: OAuth for AI agents

The Model Context Protocol lets AI agents reach enterprise tools, and MCP authentication controls which agents can connect. The protocol has specified OAuth 2.1 for that job, but MCP server deployments have moved much faster than adoption of that specification. The result is a widening gap between what the standard requires and what production environments ... Read more » The post MCP authentication and authorization: OAuth for AI agents appeared first on WitnessAI .

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MITRE ATLAS and prompt injection: Mapping the techniques to workflows

MITRE ATLAS names the attack. Naming it does not stop it. Prompt injection defense depends on how quickly detections translate into runtime controls, operational response, and compliance evidence. The gap between taxonomy and response is a runtime security and workflow problem, not simply a taxonomy problem. A crafted email can poison Microsoft 365 Copilot’s retrieved ... Read more » The post MITRE ATLAS and prompt injection: Mapping the techniques to workflows appeared first on WitnessAI .

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LLM red teaming: how it works

Customer-facing chatbots and autonomous agents now make commitments and take actions on an enterprise’s behalf. Those interactions may legally bind the enterprise, so they belong on the AI Steering Committee’s agenda. In one case, a tribunal held an airline liable for its chatbot’s fare advice. In another, a dealership’s assistant agreed in writing to sell ... Read more » The post LLM red teaming: how it works appeared first on WitnessAI .

blog_post
Is Google Gemini safe to use?

Google Gemini now runs inside the Gmail summarize button and the Google Workspace side panel. It also runs in the Gemini CLI on developer laptops and in the agents enterprises build on Vertex AI. Whether Gemini is safe to use therefore depends on the tier your employee uses and what they send. The model’s permissions ... Read more » The post Is Google Gemini safe to use? appeared first on WitnessAI .

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ChatGPT security: an enterprise guide

ChatGPT security is already part of daily work across many large enterprises, licensed or not. Employees summarize contracts in ChatGPT, while developers can access it from inside their IDEs. Agent mode extends that activity into connected systems, where it can browse, run code and take action. Enterprise ChatGPT governance establishes the policies that allow employees ... Read more » The post ChatGPT security: an enterprise guide appeared first on WitnessAI .

blog_post
How to secure MCP servers: best practices

Model Context Protocol (MCP) servers give AI agents standard access to the enterprise systems where data lives, including code repositories, databases, and cloud consoles. A developer can connect one to Cursor or Claude Desktop by editing a JSON configuration file, often without a procurement step. MCP server security best practices exist because that convenience carries ... Read more » The post How to secure MCP servers: best practices appeared first on WitnessAI .

blog_post
WitnessAI in SACR’s ARISE Market Map: Why a Unified AI Control Plane Matters

An employee asks an AI agent to investigate a customer issue. The agent retrieves internal technical context, prepares a plan of action, and attempts to send it through an external tool. The employee has permission to investigate, and the tool is available. But should an agent that has just handled sensitive customer material be allowed ... Read more » The post WitnessAI in SACR’s ARISE Market Map: Why a Unified AI Control Plane Matters appeared first on WitnessAI .

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LLM security best practices

Large language models now sit at the center of daily enterprise work. Employees and developers use chat tools and copilots, while autonomous AI agents call APIs against production systems. Much of that activity happens outside the security stack that governs everything else, which is why LLM security best practices now sit on the board agenda. ... Read more » The post LLM security best practices appeared first on WitnessAI .

blog_post
AI data classification: how it works

A single prompt can send a customer list, a source code snippet, or an unreleased financial figure to a third-party model in seconds, and most security teams have no record of it. AI data classification closes that gap. It inspects prompts, uploads, responses, and tool calls in flight, categorizes what’s sensitive, and gives security teams ... Read more » The post AI data classification: how it works appeared first on WitnessAI .

Key Differentiators

Emerging Innovator

WitnessAI is an emerging player bringing innovative solutions to the Security market.

Frequently Asked Questions

Estimated Visibility Trend (Beta)

Simulated 8-week rolling score

39
→ Stable

Based on estimated brand signals. Historical tracking coming soon.

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