Broadcast television is a one-to-many media model in which viewers receive a scheduled stream of content with limited control over what plays next. Unlike on-demand services, the audience follows the broadcaster’s timetable, which makes the experience passive and predictable from the viewer’s side.
In cyber security, the term matters because it describes how information can be delivered to many people through a single controlled channel. That can be useful for defensive uses such as emergency alerts, corporate announcements, or public warnings, where consistency and reach matter more than personalization. It also helps explain some attack patterns: a malicious operator can use broadcast-style delivery to push the same message, lure, or payload to a wide audience, while users have fewer chances to inspect or filter each item individually. In browser-based media, broadcast-like design can also change trust, because the platform and player become more important than user choice.