The US Department of State is offering up to $10 million for information on Zhang Yu, a Chinese national accused of helping carry out the Hafnium campaign against Microsoft Exchange servers. Zhang and Xu Zewei allegedly worked on behalf of China’s Shanghai State Security Bureau to steal sensitive information and compromise thousands of systems worldwide. #ZhangYu #XuZewei #Hafnium #MicrosoftExchange #SilkTyphoon #ShanghaiStateSecurityBureau #MSS
Keypoints
- The State Department is offering up to $10 million for information on Zhang Yu.
- Zhang is accused of taking part in the Hafnium campaign against Microsoft Exchange servers.
- He allegedly worked on behalf of the Shanghai State Security Bureau.
- Zhang and Xu Zewei were indicted on nine counts in July 2025.
- The Hafnium campaign reportedly compromised thousands of computers worldwide.
Read More: https://www.securityweek.com/us-seeks-alleged-chinese-hafnium-hacker-with-10-million-reward/