Date of report
- March 2021
Affiliations
The Chinese threat actor Hafnium exploited vulnerabilities in the Microsoft Exchange Server to access the emails of hundreds of thousands of entities across the globe.
Suspected victims
- Various industry sectors, including state and local governments, universities, defense contractors, law firms, medical researchers, think tanks, and others
Suspected state sponsor
- China
Type of incident
- Espionage
Target category
- Civil society
- Private sector
- Government
Suspected state sponsor response