Key Findings Italian authorities extradited Chinese national Xu Zewei to the U.S. on Monday after his arrest in Milan in July 2025 Xu is accused of being part of HAFNIUM (also known as Silk Typhoon), a state-backed hacking group directed by China's Ministry of State Security The group targeted COVID-19 research at universities, exploiting Microsoft Exchange Server zero-day vulnerabilities to compromise over 12,700 U.S. organizations Xu allegedly worked for Shanghai Powerock N
