Security As An Afterthought
THe problem with <insert internet technology here> is the original ArpaNet was built between parties that trusted each other implicitly, so no security was required.
The problem we have now is World+Dog are on tinternet and No-one knows who to trust, and tacking on security afterwards is allways a bad idea. The alternative (rebuild the internet with security from the ground up, is not to palletable either
