Enterprise AI Security
PII Masking & Privacy-Compliant AI: Microsoft Presidio & Real-Time Redaction
Anonymize credit cards, government IDs, and health data before sending prompts to external LLMs using Microsoft Presidio and reversible tokenization.
3 min
The Anonymize-Query-Deanonymize Pipeline
Presidio detects sensitive entities (e.g. SSN -> `<SSN_1>`), the LLM processes the masked text, and the backend maps `<SSN_1>` back to original values only for authorized internal users.