Dark data is the information organizations collect but don’t use, often making...

https://reidyxab469.iamarrows.com/what-are-egress-costs-and-why-do-they-matter-for-dark-data

Dark data is the information organizations collect but don’t use, often making up 55% of stored data. This hidden data creates storage and backup costs and increases ransomware and breach risks by expanding your attack surface