Facebook has taken action against a group of hackers in China who were targeting dissidents, mostly Uyghurs from Xinjiang province, the company's Cyber Espionage team said on Wednesday. The group of hackers in China is known in the security industry as Earth Empusa or Evil Eye. They were trying to distribute malware via Facebook and hack people's accounts across the internet. They targeted activists, journalists and dissidents predominantly among Uyghurs from Xinjiang in China.