Threat Actor
YY520CN
- First Reported
- Oct 21, 2026
- Latest Reported
- Oct 21, 2026
Reported Context (1)
- CrowdStrike linked YY520CN to activity targeting South Korea’s financial sector. The article documents the account advertising DDoS and origin-tracing services and describing alleged intrusions and data sales, but says these claims and the account’s responsibility for all activity in CrowdStrike’s research are not independently confirmed. StealthMole Traces YY520CN’s Underground Activity and Response to Exposure
MITRE ATT&CK (2)
Products (2)
Industries (2)
Countries (2)
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.