VendorsHarmonic Security
Harmonic Security
Cybersecurity reports and statistics published by Harmonic Security
8 categories4 reports
Research Reports
Reports and publications from Harmonic Security
Recent Statistics & Reports
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.
11/16/2025•
Gen AISensitive dataBusiness data
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.
11/16/2025•
Gen AI
12% of all sensitive data exposures originate from personal accounts, including free versions of generative AI tools.
11/16/2025•
Gen AISensitive dataPersonal Gen AI account
The average organization used 27 distinct AI tools in Q3 2025, down from 23 new tools introduced in Q2 2025.
11/16/2025•
Gen AIAI tools
25% of all sensitive data disclosures involve technical data, with 65% of that consisting of proprietary source code copied into generative AI tools.
11/16/2025•
Gen AISensitive dataTechnical data
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.
11/16/2025•
Gen AISensitive data
15% of all sensitive data uploaded to generative AI tools involves personal or employee data, including identifiers such as names and addresses.
11/16/2025•
Gen AISensitive dataPersonal data
47.42% of sensitive employee uploads to Perplexity were from users with standard (non-enterprise) accounts.
7/31/2025•
AIGen AIPerplexity
15% of Google Gemini use by employees was via personal accounts.
7/31/2025•
AIGen AIGoogle Gemini
2.5% of all sensitive prompts analysed in Q2 originated in Claude.
7/31/2025•
AIGen AIClaude
2.1% of all sensitive prompts analysed in Q2 originated in Poe.
7/31/2025•
AIGen AIPoe
Sensitive data in files sent to GenAI tools showed a disproportionate concentration of sensitive and strategic content compared to prompt data, with files being the source of 79.7% of all stored credit card exposures, 75.3% of customer profile leaks, 68.8% of employee PII incidents, and ◦ 52.6% of total exposure volume in financial projections.
7/31/2025•
AIGen AISensitive data
535 separate incidents of sensitive exposure were recorded involving Chinese GenAI tools.
7/31/2025•
AIGen AIChinese Gen AI
7.95% of employees in the average enterprise used a Chinese GenAI tool.
7/31/2025•
AIGen AIChinese Gen AI
26.3% of ChatGPT use by employees was via personal accounts.
7/31/2025•
AIGen AIChatGPT
Code leakage was the most common type of sensitive data sent to GenAI tools.
7/31/2025•
AIGen AISensitive data
13.7% of all sensitive prompts analysed in Q2 originated in Microsoft Copilot.
7/31/2025•
AIGen AIMicrosoft Copilot
The average enterprise uploaded 1.32GB of files (half of which were PDFs) to GenAI tools and AI-enabled SaaS applications in Q2. A full 21.86% of these files contained sensitive data.
7/31/2025•
AIGen AISensitive data
Of analyzed prompts and files submitted to 300 GenAI tools and AI-enabled SaaS applications between April and June, 22% of files (totaling 4,400 files) and 4.37% of prompts (totaling 43,700 prompts) were found to contain sensitive information.
7/31/2025•
AIGen AISensitive data
Of these incidents involving Chinese GenAI tools, the exposed data types included: 32.8% involving source code, access credentials, or proprietary algorithms; 18.2% including M&A documents and investment models; 17.8% exposing PII such as customer or employee records; and 14.4% containing internal financial data.
7/31/2025•
AIGen AIChinese Gen AI
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