Dark data is the information your company collects but never uses—up to 55% of...

https://www.red-bookmarks.win/dark-data-is-the-information-your-business-collects-but-never-uses-often-55-of

Dark data is the information your company collects but never uses—up to 55% of stored data. It piles up, driving storage and backup costs higher and increasing your risk of ransomware or data breaches