1. Introduction to FileCatalyst FileCatalyst is a high-speed file transfer solution designed to overcome the limitations of traditional protocols like TCP (Transmission Control Protocol) and FTP (File Transfer Protocol). Developed by FileCatalyst (now part of Fortra), it is widely used in media & entertainment, defense, healthcare, and energy sectors where large files (GB to TB) must be transmitted over long distances, high-latency, or high-packet-loss networks.