Dark data is the hidden information companies store but never use—up to 55% of...

https://front-wiki.win/index.php/How_Do_I_Reduce_Ransomware_Recovery_Time_with_Less_Dark_Data%3F

Dark data is the hidden information companies store but never use—up to 55% of all data. It piles up quietly, costing millions in storage and creating risks like security gaps