## How to Encrypt PII in Data Pipelines While Keeping It Searchable At Intuit, my team built a data pipeline that processed TurboTax e-filing data. This data needed to be made available for dashboards, analytics, and other downstream use cases. One of the biggest challenges was protecting Personally Identifiable Information (PII) such as Social Security Numbers (SSNs). SSNs are highly sensitive and must be protected at every stage of the data pipeline. At the same time, analytics teams sometimes need to perform legitimate business operations such as identifying records associated with a…