Dark data is the information your company collects but never uses, often making...

https://www.easybookmarkings.win/dark-data-is-the-55-of-stored-information-companies-keep-but-never-use-this

Dark data is the information your company collects but never uses, often making up 55% of stored data. This unused data not only wastes money on storage and backup but also raises risks like ransomware attacks and data breaches