2015 — Twitch.tv: Details unknown at this point, 10.0M records 2015 10.0M records affected Share on X Technical writeup Mar 2015. Details unknown at this point. All Twitch's 10 million users have been requested to change their passwords. Root cause Hacked Referenceshttp://blog.twitch.tv/2015/03/important-notice-about-your-twitch-account/