This document summarizes a presentation on IPTV security. It provides an overview of IPTV, describing its history and features. It outlines the IPTV architecture and services. It then discusses various security threats to IPTV, including threats to content, services, infrastructure, and users. Specific threats mentioned include viruses, worms, flooding attacks, and unauthorized access. The presentation emphasizes the need to secure all components of the IPTV system, from the headend and servers to the set-top boxes and home gateways.