Dark data is the information companies collect but never use—often sitting idle...

https://www.yankee-bookmarkings.win/dark-data-is-the-information-your-company-collects-but-never-uses-it-can-make

Dark data is the information companies collect but never use—often sitting idle and forgotten. Studies show 60-80% of data falls into this category, leading to wasted storage and security risks. Ignoring dark data can cost businesses up to $2