Image copyright HBO Image caption The hack is the latest to hit HBO and its titles, which include the popular fantasy drama Game of Thrones HBO’s Facebook and Twitter accounts have been compromised in the latest cyber security breach to hit the firm.
A group called OurMine appeared to take control of the main HBO accounts, as well as those for the network’s shows including Game of Thrones.
One posts said “OurMine are here. we are just testing your security”.
It is the latest cyber security headache for the entertainment firm after hackers released Game of Thrones scripts and company data.
Image copyright Twitter: HBO
Some of the social media posts were removed quickly afterwards.
HBO did not immediately respond to the BBC’s request for comment.