Dark data is the information organizations collect but never use. It often sits...

https://www.apu-bookmarks.win/dark-data-is-the-inactive-or-unused-information-that-companies-store-but-don-t

Dark data is the information organizations collect but never use. It often sits inactive, with 60-80% of data going untouched. This hidden data takes up storage, drives up costs, and can hide security risks