Dark data is the information your company collects but never uses—often 55% or...

https://www.slideserve.com/aaron_ward92/why-does-dark-data-create-operational-drag-for-it-teams

Dark data is the information your company collects but never uses—often 55% or more of stored data. It creates hidden risks like increased ransomware exposure and drives up storage and backup costs, wasting millions yearly