Dark data is the information your company collects but doesn’t use—often 55% or...

https://technivorz.com/how-do-i-stop-dark-data-from-polluting-our-ai-search/

Dark data is the information your company collects but doesn’t use—often 55% or more of stored data. This inactive data increases storage and backup costs and raises breach risks, including ransomware targets hidden in forgotten files