Dark data is the information your business collects but never uses—often making...

https://domgodwinson38.gumroad.com/p/what-should-i-do-with-former-employee-folders-on-the-file-server

Dark data is the information your business collects but never uses—often making up 55% of stored data. It increases ransomware and breach risks since old data isn’t actively monitored, while also driving up costs on storage and backup