ARTEX abuse expands as cybercriminals target financial sector
In this article Mitigation and protection guidance Microsoft Defender detections Hunting queries Indicators of compromise In October 2026, the financially motivated threat actor Storm-3358 began targeting organizations in the financial sector using the agentic AI offensive framework ARTEX. The threat actor that Microsoft Threat Intelligence tracks as Storm-3358 is a Cambodia-based intrusion cluster that primarily targets financial organizations in Southeast Asia, in addition to a smaller number…
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