Hainan State Security Department
| Chinese: 海南省国家安全厅 | |
| Department overview | |
|---|---|
| Formed | April 1984 |
| Preceding department |
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| Jurisdiction | Hainan province |
| Headquarters | No. 176 Nanhai Avenue, Xiuying District, Haikou, Hainan, China 19°59′48″N 110°16′53″E / 19.99667°N 110.28133°E |
| Department executive |
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| Parent ministry | Ministry of State Security |
The Hainan State Security Department (HSSD; Chinese: 海南省国家安全厅) is a provincial department of the Chinese Ministry of State Security responsible for national security and secret policing in the contiguous island province of Hainan, headquartered in Haikou. Members of the Hainan SSD have badge numbers with prefixes beginning with "46xxxx". The HSSD operates advanced persistent threat (APT) number 40.