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The whole data team has admin on the production warehouse, and nobody knows why.
What you'll have at the end
A role matrix mapping who can read or write which data, plus one over-permissioned account fixed
You need
Read access to your platform's own grant-and-privilege records (who holds which role, right now) and its query log, plus the ability to grant and revoke roles on user accounts.
Not covered
Building column-level masking or row-level filtering for sensitive fields on top of a role that already has the right table access, or standing up automation that reruns this audit on its own schedule.
Mask PII so only the right role sees it
to redact specific sensitive columns for people who already have valid table access, instead of reviewing who should hold that access at all
Data mesh or centralized platform: decide who owns a new team's pipeline
to decide who should own a brand new pipeline before its access ever needs a review like this one
Checked 26 Aug 2026
Part of the Data Engineering Core cookbook