Dark data is the info companies collect but never use—like old files or logs....

https://raymondsinterestingchat.quantlynix.com/posts/how-does-agentless-data-discovery-work-on-nas

Dark data is the info companies collect but never use—like old files or logs. Up to 80% of stored data can be inactive, creating storage costs and security risks. It also clutters AI systems with useless noise, making insights harder to get