ProPublica's Julia Angwin augments her earlier "list bomb" article with information on what can be done to prevent these attacks. File UploadHackers Shut Down ProPublica’s Email For a Day. Here’s How to Stop Attacks Like That. (117.75 KB)URLhttps://www.propublica.org/article/hackers-shut-down-propublicas-email-for-a-da…