Dark data is the unused information sitting in your servers and storage—about...

https://raymondsinterestingchat.quantlynix.com/posts/do-i-need-to-move-petabytes-to-the-cloud-to-get-value-from-dark-data

Dark data is the unused information sitting in your servers and storage—about 55% of data companies hold stays untouched. It matters because it drives up costs, creates security risks, and clutters AI projects with irrelevant noise