Threat Actor
Zhang Yu
- First Reported
- Apr 27, 2026
- Latest Reported
- Oct 8, 2026
Reported Context (4)
- Accused of helping conduct the Hafnium hacking campaign and stealing data on behalf of the Chinese government. US Offers $10 Million Reward for Accused Hafnium Hacker Zhang Yu
- Named in the indictment alongside Xu Zewei and reported to remain at large; the article does not describe Zhang’s specific alleged activities. U.S. Extradites Xu Zewei, Accused of Silk Typhoon Cyberattacks
- Named as Xu Zewei’s co-defendant in the indictment and alleged to have participated in the campaign; the article says Zhang remains at large. U.S. Charges Extradited Xu Zewei Over Alleged HAFNIUM Espionage Campaign
- Named as Xu Zewei's alleged co-defendant and co-conspirator in the U.S. indictment; the article says Zhang remains at large. The alleged involvement has not been established in court. Xu Zewei Extradited to U.S. to Face Charges Over Alleged HAFNIUM Intrusions
People (7)
Threat Actors (6)
MITRE ATT&CK (3)
Vendors (1)
Products (2)
Industries (6)
Countries (3)
Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.