Redact Financial Data Before Sending to ChatGPT
Credit card numbers, IBANs, account numbers, financial forecasts, internal P&L figures, and M&A deal terms found in documents submitted to AI for analysis. — automatically detected and replaced with labelled placeholders before your text ever reaches ChatGPT. Processing runs entirely in your browser. Zero bytes leave your device.
PCI DSS 4.0 Requirement 12.3.2 now mandates annual targeted risk analysis for all AI tools handling cardholder data. Penalties start at $5,000/month for non-compliant merchants.
Relevant Compliance Frameworks
This use case intersects with the following regulations and standards. CleanMyPrompt is a data minimisation tool — it is not a substitute for legal advice or certified compliance software.
Why this matters for ChatGPT: ChatGPT is not HIPAA-eligible without a Business Associate Agreement. Most free and Plus plans lack BAAs.
What Gets Redacted — Example
Q3 EBITDA: $4.2M. Transaction ref TXN-2024-0091. Card ending 4111111111111111.
Q3 EBITDA: [FINANCIAL]. Transaction ref TXN-[REDACTED]. Card ending [CREDIT-CARD].
Who Uses This
- Finance teams summarising reports with AI
- Analysts using AI to model revenue forecasts
- Controllers reviewing audit evidence with AI assistance
The Regulatory Risk
PCI DSS 4.0 (mandatory from April 2025) requires that Primary Account Numbers are never stored or transmitted unencrypted. Consumer AI tools are entirely outside PCI scope — sharing card data with them constitutes a PCI violation.
Ready to protect your financial data?
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