Dark data is the 55% of stored information left unused and unmanaged in your...

https://wiki-square.win/index.php/Gartner_May_2026_Agentic_AI_Storage_Report_%E2%80%93_What_Does_It_Mean_for_Us%3F

Dark data is the 55% of stored information left unused and unmanaged in your systems. It wastes storage and backup resources, costing companies up to $2.5 million a year. Left unchecked, dark data increases your risk of ransomware attacks or data breaches