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La toma de una captura de pantalla no es transparente para el usuario; el dispositivo tiene una animaci\u00f3n de pantalla a medida que se toma la captura de pantalla y se presenta una notificaci\u00f3n indicando que ocurri\u00f3 una captura de pantalla. Si la aplicaci\u00f3n atacante tambi\u00e9n solicita el permiso EXPAND_STATUS_BAR, puede activar el dispositivo usando ciertas t\u00e9cnicas y extender la barra de estado para tomar una captura de pantalla de las notificaciones del usuario, incluso si el dispositivo tiene un bloqueo de pantalla activo. Las notificaciones pueden contener datos confidenciales, como mensajes de texto usados en la identificac\u00f3n de dos factores. El proceso system_server que suministra esta capacidad no se puede desactivar, ya que forma parte del marco de Android. 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