Back to News
EnterpriseAI Understanding briefing

WhiteMatter raises $20 million to keep AI agents in line

WhiteMatter a startup using AI agents to keep rogue AI in line has raised $20 million in Series A funding to continue developing its AI agent security technology

4 min readRead the original reporting
Source-provided image accompanying WhiteMatter raises $20 million to keep AI agents in line
Attributed reportingSource recorded
Publisher
businessinsider.com
Source type
Reporting by a news outlet — not a first-party document.

What we could not confirm independently: This claim is attributed to the named outlet. We did not verify it against a first-party document. (businessinsider.com)

ContextUnderstand this in 60 seconds

Key terms

AI Agent
A software system that can observe, reason, and take actions to achieve a goal, often using tools and memory.
Test yourselfAI Agents Quiz

What happened

WhiteMatter a startup founded in 2024 has raised $20 million in Series A funding The company uses AI agents known as guardian agents to oversee what a company's existing AI agents can access do and share These guardian agents scale automatically and monitor outcomes The startup has helped customers transition from human-first to agent-first organizations and has overseen more than 116 billion AI interactions

WhiteMatter was founded in 2024 and formerly known as QuilrAI The company has built agents that oversee what a company's existing AI agents can access do and share The so-called guardian agents scale automatically — when an enterprise creates a new a new guardian agent pops up too WhiteMatter's agent checks whether a company's existing AI agent is allowed to access files use software make a decision or trigger an action The guardian also monitors outcomes

The company's technology has been used to oversee more than 116 billion AI interactions and help customers transition from human-first to agent-first organizations

Source details: businessinsider.com

Why it matters

The rise of AI agents has created new security concerns and WhiteMatter's technology aims to address these issues The company's guardian agents can prevent agent attacks and compromises both from external and internal agents As enterprises grant more non-technical employees access to AI agents agentic security has become an increasingly important topic The recent string of agent-powered security incidents has pumped new urgency into the cybersecurity space that WhiteMatter operates in

The rise of AI agents has created new security concerns WhiteMatter's technology aims to address these issues The company's guardian agents can prevent agent attacks and compromises both from external and internal agents As enterprises grant more non-technical employees access to AI agents agentic security has become an increasingly important topic A recent string of agent-powered security incidents has pumped new urgency into the cybersecurity space that WhiteMatter operates in

The company's technology is designed to prevent agent attacks and compromises by monitoring outcomes and preventing unauthorized access to sensitive information

Interactive Mechanism

Interactive Mechanism: How It Actually Works

Explore the underlying technology behind this development interactively.

Agent Lifecycle Stage:
1
User Intent & Planning: "Audit customer refund request #4092 and settle payment."
2
Tool Calling: Emits structured JSON call crm_get_transaction(id='4092').
3
Guardrail & Verification:Paused: High-value action requires human operator sign-off.
4
Final Settlement: Refund recorded, email receipt dispatched, and audit log stored.
Core takeaway: An AI agent is not just a language model—it is a closed loop of planning, tool invocation, and environment feedback. Production systems require self-healing retries and strict human approval guardrails.
Interactive Concept Check+10 Points
AI Agents Quiz

An agent must create a draft calendar event for Tuesday at 2 p.m. Which evidence would establish the requested result?

What to watch next

WhiteMatter's technology has the potential to become a standard in the industry and the company's growth is expected to continue The startup's ability to scale its guardian agents automatically makes it an attractive solution for large enterprises

WhiteMatter's technology has the potential to become a standard in the industry The company's growth is expected to continue The startup's ability to scale its guardian agents automatically makes it an attractive solution for large enterprises WhiteMatter plans to use a big portion of the money to hire for go-to-market and sales roles The company expects its 80-person team to grow by 50% in the next 12 months

The company's ability to scale its guardian agents automatically makes it an attractive solution for large enterprises and the company's growth is expected to continue with a 50% increase in its 80-person team in the next 12 months

Related guides & quizzes

Found this useful?