China-linked malware targeted secure networks at 'multiple governments'

'Daxin' malware creates backdoors and may have been used since 2013

The United States' Cybersecurity and Infrastructure Security Agency (CISA), working with security vendor Symantec, has found an extremely sophisticated network attack tool that can invisibly create backdoors, has been plausibly linked to Chinese actors, and may have been in use since 2013....