FBI cyber boss: China's hacker-for-hire ecosystem 'out of control'

The report describes allegations that Chinese state intelligence (MSS/SSSB) directed a profit-motivated hacker-for-hire ecosystem to exploit thousands of systems—including use of the Hafnium/Silk Typhoon Microsoft Exchange zero-days that compromised hundreds of thousands of servers—and targeted universities and COVID-19 researchers; it also covers the extradition of Xu Zewei to the U.S. and his criminal charges tied to those intrusions.