BreachHave I Been PwnedSeptember 24, 2016
gPotato
In July 2007, the multiplayer game portal known as gPotato (link to archive of the site at that time) suffered a data breach and over 2 million user accounts were exposed. The site later merged into the Webzen portal where the original accounts still exist...
2,136,520 accounts affectedOccurred 2007