Design system to detect privacy-leak records

Imagine you are responsible for analyzing a massive store of user records collected from many different systems. Records may contain structured fields as well as free-form text such as event logs, chat transcripts, notes, and documents. Your goal is to design an automated pipeline that detects records likely to contain privacy-sensitive data or personally identifiable information (PII). The system should flag both overt identifiers—for example, names, phone numbers, and…