This post focuses only on the technical costs of TLS. The reality that we currently live in contains a hostile network where unarmoured packets are the easiest

This post focuses only on the technical costs of TLS. The reality that we currently live in contains a hostile network where unarmoured packets are the easiest of targets. The movement to put TLS on everything is a reaction to the hostility and is overwhelmingly driven by #1: A legitimate interest in security.