Dark data is the information companies collect but never use—think old files,...

https://www.charliebookmarks.win/dark-data-is-all-the-info-your-company-stores-but-never-uses-think-old-files-1

Dark data is the information companies collect but never use—think old files, emails, and logs cluttering servers. Around 55% of data sits inactive, driving up storage costs and creating security risks