Your employees send customer data to ChatGPT - how to keep OpenAI from seeing it
PromptVault's reversible Privacy Shield masks sensitive values before an LLM call and restores them afterward.
Related projectPromptVault - reusable team prompts with reversible PII maskingEnglish summary
The article explains the risk behind uncontrolled workplace prompts and the architecture for replacing PII with reversible tokens before data leaves the browser.
Key takeaways
Banning ChatGPT rarely works in practice.
Masking must happen before the provider sees the data.
Reversibility matters when the final answer must remain useful.
Original long-form article
The long technical article is available in French with code, context and detailed examples. The English page gives the recruiter-readable summary and the main engineering points.
Open the French articleNext step
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