Being "properly secured" isn't as simple as it seems because it's not a matter of simply securing against today's threats, but for those in the future, for as l

Being "properly secured" isn't as simple as it seems because it's not a matter of simply securing against today's threats, but for those in the future, for as long as those communications need to remain secret. It's possible, perhaps even likely that all communications would be recorded for decryption later when if / new techniques become available.