Chinese APT suspected of supply chain attack on Mongolian government agencies. Chinese hackers have compromised the update mechanism of a chat app used by hundreds of Mongolian government agencies. A Chinese state-sponsored hacking group, also known as an APT, is suspected of having breached a Mongolian software company and compromised a chat app used by hundreds of Mongolian government agencies. A roundup of the best software and apps for Windows and Mac computers, as well as iOS and Android devices, to keep yourself safe from malware and viruses. Third-party company: Able Software.