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Data sanitization ✅ BEST (removes risk) Data masking ⚠️ Partial protection
As per ChatGPT and Gemini - Winner.Data sanitization is the most effective and primary control to prevent sensitive information disclosure by LLM chatbots because: It ensures sensitive data is removed or cleaned before it ever reaches the model. Prevents leakage at the source level, not just during output. Works for: Training data Prompt inputs Knowledge bases (RAG systems) Eliminates risks like: PII exposure Confidential data leakage Prompt injection exploiting sensitive data
C, from 1.14, data masking and tokenization can help