On July 31, 2016, the Twitter account of Pokemon Go creator John Hanke had been hacked by the Saudi hacking trio OurMine. Over twelve hours after the hack took place, tweets made by the hackers were still displayed on Hanke's Twitter timeline. OurMine managed to compromise the Twitter account after hacking Hanke's Quora account.
Source: The Hacker News, July 31, 2016
August 2, 2016