Yet users will use whatever is available. E.g. people routinely send SMS with sensitive data, even though SMS is probably the least trustworthy channel.
They can only help that by securing the equipment and networks. Telling public "don't trust these because foreign hackers" is not going to do much.
Correlating sizes of data sent/received and precision timestamps is already huge intelligence. And the more entry/exit points you can tap on -- the better it becomes.
They can only help that by securing the equipment and networks. Telling public "don't trust these because foreign hackers" is not going to do much.