Dark data is all the information your team stores but rarely uses—up to 80% of...

https://trentonsexcellentthoughtss.evergrovio.com/posts/why-is-dark-data-a-compliance-problem-even-if-nobody-opens-it

Dark data is all the information your team stores but rarely uses—up to 80% of it can sit inactive. This hidden data drives up storage costs, creates security risks, and clutters AI projects with useless noise