Skip to content
2026

Now taking on 4 new clients this year — white-glove onboarding, month to month.

Book a call
HomeGlossaryShadow AI
Glossary

Shadow AI

Shadow AI is the use of AI tools by employees without the company's approval or oversight, often putting confidential data into services nobody has vetted.

Definition

What is Shadow AI?

Shadow AI is the use of artificial intelligence tools by employees without the approval or oversight of the business. It follows the older pattern of shadow IT, where staff adopted unsanctioned cloud apps, but the stakes are different: what goes into an AI tool is usually the content of the work itself, from client contracts to source code.

It happens because the tools are useful and one browser tab away. An employee pastes a customer's email thread into a public chatbot to draft a reply, uploads a spreadsheet to have it analyzed, installs a browser extension that summarizes every page it sees, or asks a meeting assistant to join a client call. Consumer versions of these services may retain the input or use it to improve their models, and their terms are rarely read. The company has no record that the data left and no contract with the provider, so nobody can answer a client or regulator who asks where the information went.

For a small or mid-sized business the exposure is rarely dramatic on any single day, which is why it accumulates unnoticed. Firms bound by HIPAA, the FTC Safeguards Rule, attorney confidentiality, or contractual non-disclosure obligations can breach those duties without anyone intending to. Banning AI outright tends to fail; staff use it anyway and stop telling anyone. The workable answer is to provide a sanctioned tool that protects company data, such as Microsoft 365 Copilot or an enterprise plan with data protection terms, then write a short usage policy. Data loss prevention catches the pastes that still happen.

NetSys addresses shadow AI through its AI security assessment, which inventories the AI tools in real use across a business, including browser extensions and meeting bots, and rates the data each one can reach. From there NetSys sets up sanctioned alternatives within Microsoft 365 and configures data loss prevention to flag sensitive content headed to unapproved services, with a usage policy short enough that staff will read it. Karla Gilvergara writes about AI tool risks for NetSys.

Why it matters for a small business

Somewhere in your company, someone has already pasted confidential material into a free AI tool, because it made a tedious task faster. That is not a discipline problem; it is a signal that your staff need the tool and have not been given a safe version. The risk to the owner is a data leak with no log and no way to explain it to a client. The fix is inexpensive: decide which tools are approved, give people access to them, tell them what may never be pasted, and put a technical check behind the policy so it does not depend on memory.

Common Questions

Shadow AI: FAQs

What is shadow AI?

Shadow AI is employees using AI tools, such as public chatbots or meeting transcription bots, without the company's approval or oversight. The concern is that confidential data, from customer records to contracts, is entered into services the business has not vetted and has no agreement with. It is a form of shadow IT, but the data exposure is more direct because the input to an AI tool is usually the content of the work itself.

Why is shadow AI a risk for businesses?

Because data entered into unapproved AI tools may be retained or used to train models by a provider the company has no contract with, and the business has no record it happened. That creates exposure under privacy and confidentiality obligations, including HIPAA and client non-disclosure agreements, and it can leak trade secrets or source code. Inaccurate AI output pasted into client work without review is a second, quieter risk that shows up later.

How do you stop shadow AI at work?

Start by finding out what is in use rather than assuming; a survey and a review of browser extensions and sign-in logs usually reveal more than expected. Then give staff an approved tool with business data protections, such as Microsoft 365 Copilot or an enterprise AI plan, so the safe option is also the convenient one. Publish a short policy that names the approved tools and lists what may never be entered. Back it with data loss prevention rules and periodic reminders in security awareness training.

Reading this because of a questionnaire or a renewal?

Get the controls, not just the definition.

A NetSys engineer can tell you in fifteen minutes whether you have this covered, and what it would take if you do not. Month to month, no long-term contract.