Skip to content

AI prompts glossary

PII Redaction

PII redaction is the process of detecting and removing personally identifiable information from text before storage, use, or display. In AI pipelines, it can operate on prompts, retrieved documents, and model outputs. For compliant AI messaging, automated PII redaction reduces risk by limiting exposure of sensitive data while still allowing useful, personalized communication based on non-identifying attributes. PII redaction is the automated removal or masking of personally identifiable information from text before it is stored, used, or displayed. In AI pipelines it may operate on prompts, retrieved documents, and outputs. For compliant messaging workflows, robust PII redaction reduces privacy risk while still allowing personalization based on non-identifying signals.