Facebook unmasks Vietnam’s APT32 hacking group By 10:06 AM The Facebook security team has revealed today the real identity of APT32, a Vietnam-backed hacking group active in cyberespionage campaigns targeting foreign government, multi-national corporations, and journalists since at least 2014. The APT32 nation-state hackers were linked to Vietnamese IT firm CyberOne Group in a report published earlier today by Nathaniel Gleicher, Facebook's Head of Security Policy, and Mike Dvilyanski, Cyber Threat Intelligence Manager. "Our investigation linked this activity to CyberOne Group, an IT company in Vietnam (also known as CyberOne Security, CyberOne Technologies, Hành Tinh Company Limited, Planet and Diacauso)," they said.