Use Case 1

Compliant Training Data for AI & Analytics

Transform your sensitive documents into safe, high-utility training assets for AI and ML, with zero real PII remaining.

Compliant Training Data for AI and Analytics

Transform Raw Documents into Safe, Usable Training Assets

Turn your contracts, reports, medical records, and financial documents into compliant training datasets that preserve the patterns and domain knowledge your models need, with zero real PII remaining.

Your proprietary data is your strongest competitive advantage for AI. But training a model on raw sensitive documents creates legal exposure and data leakage risk. Hexagone AI transforms your data into safe training assets that preserve full utility.

The Challenge

When you fine-tune a language model or train a machine learning pipeline, the model memorizes patterns from its training data. If that data contains real client names, contract values, or personal details, the model can reproduce them during inference. This is not a theoretical risk: research has demonstrated that language models can output verbatim training examples when prompted.

Simple approaches like redacting text with [REMOVED] tags destroy the very patterns that make your data valuable. A sentence like "The [REMOVED] of [REMOVED] signed a [REMOVED] for [REMOVED]" teaches the model nothing useful.

The Hexagone Approach: Synthetic Data Replacement

Hexagone AI replaces every sensitive element with a realistic synthetic equivalent that maintains the semantic structure, formatting, and relationships of the original document. The model learns the same patterns (how contracts are structured, how medical reports reference conditions, how financial summaries present data) without memorizing any real information.

Original Document
SERVICE AGREEMENT — Ref. SA-2024-0847

This agreement is entered between TechVision Solutions Ltd (Reg. 12847593), represented by Sarah Mitchell, CTO, located at 47 Innovation Drive, Cambridge CB2 1TN, and Meridian Healthcare plc for deployment of Project Athena. Annual fee: €2,400,000.

Contact: s.mitchell@techvision.co.uk
Anonymized (Synthetic Replacement)
SERVICE AGREEMENT — Ref. CL-7719-FRMZ

This agreement is entered between DataBridge Analytics SAS (Reg. 98234167), represented by Marc Lefevre, CTO, located at 12 Rue de la Paix, Lyon 69002, and Horizon Medical Partners SA for deployment of Project Horizon. Annual fee: €1,850,000.

Contact: m.lefevre@databridge.fr
Personal data (PII) Organizations IP & Financial

The synthetic replacement is consistent across an entire document set: if "TechVision Solutions" becomes "DataBridge Analytics" in one document, it becomes "DataBridge Analytics" in every document where it appears. This preserves cross-document relationships that are essential for training.

Who Uses This

AI / ML Teams

Fine-tuning proprietary models

Preparing domain-specific training datasets from internal documents for LLM fine-tuning, NER models, or classification systems.

Data Science Teams

Analytics on sensitive corpora

Running statistical analysis, topic modeling, or trend detection across client data without exposing individual identities.

Research Departments

Publishing compliant datasets

Creating anonymized versions of proprietary datasets for academic collaboration or open-source contribution.

Compliance Officers

GDPR / HIPAA / EU AI Act

Ensuring AI training pipelines meet regulatory requirements with full audit trails and re-identification testing reports.

Re-Identification Testing Included

Every anonymized dataset produced by Hexagone AI undergoes automated re-identification testing. Our proprietary process (developed with university researchers) runs linkage attacks, membership inference, and PII leakage scoring to verify that no original data can be recovered. You receive a compliance report for your records, ready for auditors.

Ready to get started?

We can help you unlock your sensitive data safely. Book a call and we will walk you through exactly how this would work for your organization.

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