FIELD: information technology.
SUBSTANCE: content protection method can include information associated with services, including information on cancelling content application from outside by employing content management and a security system, and applying or not applying the content cancellation process according to the information on cancelling content application. Accordingly, the content cancellation process can be applied, which can be controlled in accordance with information on cancelling application.
EFFECT: broader functionalities of the terminal device, which facilitates transmission of content which must be seen by all without restrictions for devices and domains, such as an urgent message or public notice.
8 cl, 4 dwg
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