Dark data is inactive or unused data that piles up in your storage—often 60-80%...

https://lyrical-quit-1fb.notion.site/Dark-data-is-the-inactive-or-unseen-information-companies-keep-but-don-t-use-3a39697cc42e807f8959c9120f174a44

Dark data is inactive or unused data that piles up in your storage—often 60-80% of it. Keeping this data increases your risk of ransomware attacks and breaches because you have more sensitive information exposed