Dark data is all the information companies collect but rarely use—often 55% of...

https://connersinterestingblog.theglensecret.com/how-do-i-keep-unknown-departmental-shares-from-becoming-dark-data-again

Dark data is all the information companies collect but rarely use—often 55% of stored data stays idle. This hidden data creates extra storage costs, increases security risks, and adds noise that can confuse AI projects