On Sat, 22 Aug 2015 10:57:32 +1200, Chris O'Halloran wrote:
With all the business now done by email, it still amazes me that we rely on what are essentially postcards to transact commercially interesting/sensitive information.
So the transport is insecure. The whole Internet is insecure, anyway. The security (along with the smarts) is implemented at the endpoints, not in the network itself.
... it only requires one person to reply (quoting all the previous correspondence) in an unencrypted message to defeat all the effort to encrypt the original messages.
True. Perhaps the right approach is to build the ability into the e-mail app to mark an entire thread as confidential, so replies to it are automatically encrypted. Encryption seems hard to understand... <https://www.google.com/search?q=why+johnny+can't+encrypt>