Brilliantly written and chillingly convincing. A pretty persuasive argument for site owners to sort out their CSPs (Content Security Policies). I can almost see @Scott_Helme and @troyhunt nodding along.
https://medium.com/@david.gilbertson/im-harvesting-credit-card-numbers-and-passwords-from-your-site-here-s-how-9a8cb347c5b5