A talk by Marielle Volz
With examples from RoR, Django, Node.js and PHP.
Pure JS/HTML: the talk is available online at http://mvolz.github.io/security/#/
You can also serve the talk locally by cloning the repo and navigating to index.html in your browser.
Navigate the talk by using the down and right arrow keys.
CC-SA by 4.0, excepting the webpages which are included in iframes within the talk; the authors of these webpages retain copyright.