WitnessAI

What the company sells

WitnessAI sells a platform that discovers AI applications, agents and MCP servers in use across an organization, governs what employees and AI agents can do, and applies runtime security controls against threats such as prompt injection and jailbreaks. It was founded in 2023 and is headquartered in Mountain View, California. It is privately held and has raised venture funding.

Categories

• Workforce AI usage security (primary category)
• AI firewalls and guardrails
• AI governance

Headquarters

Mountain View, United States

Founded

2023

Ownership

Privately held

Website

witness.ai

Products and services

• Observe

  Finds and catalogs AI applications, agents and MCP servers, and visualizes AI conversations and agentic activity.

• Control

  Governs what AI agents and employees can do, routes prompts to models based on risk or purpose, and generates audit trails.

• Protect

  Applies runtime security controls and content guardrails intended to block prompt injection and jailbreak attempts and filter harmful responses.

Sources

1. WitnessAIUndated page, accessed September 27, 2026 · Tier A: the company, a regulator or a filing
2. WitnessAI via PR NewswirePublished January 13, 2026 · Tier A: the company, a regulator or a filing
3. Dark ReadingPublished May 21, 2024 · Tier B: trade or business press
4. AppSec SantaPublished April 3, 2026 · Tier C

Recorded September 27, 2026 from the sources above. Descriptions are in our own words; we do not rank or recommend vendors, and no vendor pays to be listed or to change what we write. Disclosure: until the publisher confirms it has no business relationship with this company, treat one as possible (how the network works). Spot a factual error? Request a correction.