Dark data is the inactive and forgotten information buried in your storage—up...

https://post-wiki.win/index.php/How_Do_I_Find_Duplicate_Files_Across_NAS_and_Object_Storage%3F

Dark data is the inactive and forgotten information buried in your storage—up to 80% of it sits unused. This data adds unnecessary costs, creates security risks, and clutters AI projects with noise that can throw off results