President Bronze, the president backed by China Advanced Persistent Threat (APT), which also goes by the name Mustang Panda, has been conducting a widespread campaign against targets of Chinese espionage interest, using documents that forge official diplomatic notices to lure its victims. Observed by the Secureworks Counter Threat Unit (CTU), a series of attacks that took place during June and July used a PlugX malware to target the computer systems of government officials in various countries in Europe, the Middle East, and South America. “Several characteristics of this campaign indicate that it was carried out by the likely Chinese government-sponsored…