In the underground world of software piracy—often referred to as the "warez" scene—searching for "Index of" plus a software name is a decades-old technique. It is a method used to bypass official vendor websites and download software directly from repositories, FTP servers, or "leech" sites without paying for a license.
When you see an "index of" listing, you are often looking at the raw building blocks of your backup strategy. index of acronis true image