Dark data is the information your organization collects but doesn’t use, often...

https://lukasnpyy234.cavandoragh.org/how-do-i-make-nas-and-object-storage-searchable-like-google

Dark data is the information your organization collects but doesn’t use, often making up 55% of stored data. This inactive data increases storage and backup costs and raises the risk of ransomware attacks or breaches