Dark data is all the information stored but never used—think of files taking up...

https://future-wiki.win/index.php/Dark_Data_and_AI_Governance:_What_Should_Be_Blocked_from_Ingestion%3F

Dark data is all the information stored but never used—think of files taking up space but adding no value. Around 55% of enterprise data falls into this category, which leads to wasted storage costs and higher security risks