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The average enterprise uploaded more than three times as much data to generative AI platforms in Q3 2025, with 4.4GB compared to 1.32GB in Q2 2025.

Harmonic Security
November 16, 2025
Gen AI

Source

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Published on 11/13/2025

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26.4% of all file uploads to generative AI tools contained sensitive data between July and September 2025, an increase from 22% in Q2 2025.

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57% of sensitive data uploaded to generative AI tools is classified as business or legal data, with 35% of that involving contract or policy drafting.

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15% of all sensitive data uploaded to generative AI tools involves personal or employee data, including identifiers such as names and addresses.

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