"Often hear that the reason today’s Internet is not more secure is that the early designers failed to imagine that security could ever matter." Related to this

"Often hear that the reason today’s Internet is not more secure is that the early designers failed to imagine that security could ever matter." Related to this, you should definitely watch Moxie Marlinspike's (lead dev of Signal) talk where he tells about his discussion with Kipp Hickman, a developer of SSL: https://www.youtube.com/watch?v=UawS3_iuHoA#t=13m52s https://www.youtube.com/watch?v=UawS3_iuHoA#t=13m52s (until 16:33)