Web traffic protection

 The protections from the security software must continue when the device is taken off the network, such as when it is off-grid, or in airplane mode  and similar. Still, much of the time, software writers can expect the device to be online and connected, not only to a local network but to the World Wide Web, as well. Web traffic, as we have seen, has its own peculiar set of security challenges. What are the challenges for an  always connected, but highly personalized device?
Answer the question with a minimum of 300 words in APA format with in-text citation. A minimum of two references are required.