Dark data is the inactive information companies keep but don’t use—often 60-80%...

https://www.mediafire.com/file/z8wf0i0mykosn7a/pdf-16913-36286.pdf/file

Dark data is the inactive information companies keep but don’t use—often 60-80% of stored data. It increases storage and backup costs and raises breach risks, like ransomware targeting forgotten files