Device, System, and Method of Preventing Unauthorized Recording of Visual Content Displayed on an Electronic Device

The present disclosure involves preventing unauthorized recording of visual content displayed on an electronic device. Via a mobile computing device, it is detected that a user is attempting to digitally record visual content being displayed on a screen of the mobile computing device. Via the mobile computing device, at least one of the following actions is performed in response to the detecting: obfuscating the visual content; restarting the mobile computing device before the visual content is recorded; playing a loud audio signal via the mobile computing device before the visual content is recorded; and temporarily disabling a screenshot function of the mobile computing device.