# The Data Privacy Matrix
Source: https://humanspark.ai/frameworks/data-privacy-matrix/

*Which data is safe to put into which AI tool.*

**When to use:** Deciding what staff can feed into which tools, and meeting data rules.

Safe

Public data · Private tool

Published or anonymised material in a tool that does not train on inputs.

Care

Sensitive data · Private tool

Confidential or regulated data only in a tool with a clear no-training policy.

Fine

Public data · Public tool

Low-risk, general material is fine in consumer tools.

Never

Sensitive data · Public tool

Confidential data into a free tool that may train on it. Do not.