Dark data is the inactive or unused information your company stores but doesn’t...

https://alexisqoem867.trexgame.net/why-do-rag-pipelines-get-worse-when-you-add-more-documents

Dark data is the inactive or unused information your company stores but doesn’t analyze—often 55% or more of all data. It can increase ransomware exposure and breach risk because it’s overlooked in security scans