Dark data is the stuff your company collects but rarely uses—up to 55% of all...

https://page-wiki.win/index.php/How_Can_I_Query_NAS_File_Metadata_in_Databricks%3F

Dark data is the stuff your company collects but rarely uses—up to 55% of all stored info. It quietly racks up storage costs, creates security risks, and clutters AI projects with noise