Side channels are always present. I think people not realizing it is a sad example of how our brains compartmentalize things, so that even smart individuals end up abstracting away the physical world.
These articles are only friendly reminders: computing runs in physical reality. Whatever you do, whatever information you process, its always broadcasting itself at the speed of light. The only thing you can do is to try and raise the practical costs of a side-channel attack so much, that it becomes much more expensive than the target data is worth to the attacker.
These articles are only friendly reminders: computing runs in physical reality. Whatever you do, whatever information you process, its always broadcasting itself at the speed of light. The only thing you can do is to try and raise the practical costs of a side-channel attack so much, that it becomes much more expensive than the target data is worth to the attacker.