It is important to distinguish between the historical and current websites using the name.
(Fast Optical Storage Inc) was one of the most prominent "appz" groups of the late 90s. Unlike traditional Scene groups that focused on high-speed FTP topsites, FOSI was famous for its web-based distribution model, making cracked software accessible to a wider audience through a network of mirror sites. Anatomy of a Warez Release F O S I Warez Sites