Hafnium (group)
| Type | Cyber espionage group, Advanced persistent threat |
|---|---|
| Purpose | State-sponsored cyber espionage |
| Headquarters | Allegedly China |
Region served | Globally |
| Membership | Unknown |
Main organ | Allegedly Ministry of State Security |
| Affiliations | APT40 |
| Remarks | Also known as Silk Typhoon |
Hafnium (sometimes styled HAFNIUM; also called Silk Typhoon by Microsoft) is a cyber espionage group, sometimes known as an advanced persistent threat, with alleged ties to the Chinese government, particularly its Ministry of State Security. Hafnium is closely connected to APT40.