Dark data is all the info companies keep but never use—think old files, emails,...

https://delta-wiki.win/index.php/How_Does_Komprise_Connect_to_NAS_and_Object_Storage_Without_Agents%3F

Dark data is all the info companies keep but never use—think old files, emails, or system logs. It makes up 60-80% of stored data but sits idle, costing businesses up to $2.5 million each year just to store and manage