# Tagged Scanner

> Articles from DataParade on preventing privacy and security problems through solid architecture and a real understanding of the system.

- [A Name Isn't an Identity](https://dataparade.io/posts/a-name-isnt-an-identity/index.md): A code scanner finds a hundred places where something called email appears. How many data items is that? Joining on the name alone dropped our grouping precision from 86% to 51%. The fix was to stop trusting names and join only on evidence the parser can show you. (2026-10-14)