Dark data is the information organizations collect but don’t use, making up 55%...

https://messiahssplendidjournals.lowescouponn.com/how-do-i-query-object-store-metadata-in-databricks

Dark data is the information organizations collect but don’t use, making up 55% of stored data on average. This unused data increases storage and backup costs and raises the risk of ransomware or data breaches