Dark data is all the stuff companies collect but never actually use—think old...

https://wiki-legion.win/index.php/How_Do_I_Keep_Drafts_and_Duplicates_Out_of_a_Vector_Database%3F

Dark data is all the stuff companies collect but never actually use—think old files, emails, and system logs. Around 55% of data stored falls into this category, which ties up costly storage and creates security risks