Storm-3119
Storm-3119 is a China-attributed cybercrime syndicate with a financial motive, tracked by Brandefense. It targets 6 sectors, including Government and Technology, in 3 countries, including the United States and China. It uses 6 MITRE ATT&CK techniques.
Also known as
- YAM Store
- Origin
- China
- Techniques
- 6
- Exploited CVEs
- No CVE data
- Record updated
Who They Target.
About Storm-3119.
A Chinese-language threat group and initial access broker that operated the illicit YAM Store marketplace, hijacking and reselling corporate and educational cloud tenants.
Last updated Oct 15, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.