Dark data is the inactive or underused information stored across your...

https://www.echobookmarks.win/dark-data-is-the-inactive-or-unused-information-that-builds-up-in-your

Dark data is the inactive or underused information stored across your systems—often 55% of your data. It poses real risks like ransomware exposure since forgotten data may lack proper security. It also drives up storage and backup costs, wasting up to $2