There is an almost reflexive habit in data engineering: whenever you instrument an event, you attach a user ID. It feels natural. User IDs are how you join tables, track behavior, and measure engagement. The problem is that most teams attach them without ever asking whether they actually need them. That habit is becoming expensive…
First seen on securityboulevard.com
Jump to article: securityboulevard.com/2026/04/privacy-preserving-data-analytics-stop-collecting-what-you-do-not-need/
