I've found Moxie Marlinspike's talk [1] to be a great overview of these sorts of issues. IIRC, he built an alternate system discussed in the talk. But I believe

I've found Moxie Marlinspike's talk [1] to be a great overview of these sorts of issues. IIRC, he built an alternate system discussed in the talk. But I believe that's defunct. (Tangent, anyone know the postmortem on that?) https://m.youtube.com/watch?v=UawS3_iuHoA https://m.youtube.com/watch?v=UawS3_iuHoA