Dark data is all the info your company stores but rarely uses—think 55% of data...

https://www.start-bookmarks.win/dark-data-is-the-inactive-or-unused-information-that-piles-up-in-your-storage

Dark data is all the info your company stores but rarely uses—think 55% of data just sitting idle. It’s more than just wasted space; it drives up costs, adds security risks, and clutters AI projects with noise