“The fall 2014 Sony megahack leaked a massive amount of internal documents and content, resulting in plenty of fallout. Even two years later, they company is still not off the hook. The film To Write Love On Her Arms was one of four movies released online in the colossal data dump, and its producers are suing Sony Pictures failing to safeguard it from piracy thereafter.”
Source: Sony sued for not preventing piracy of movie leaked in 2014 hack