ARTEX AI Penetration Testing Tool Exploited in South Korean Financial Sector Data Theft Campaign

Cybersecurity researchers revealed a targeted campaign using the ARTEX AI penetration testing tool to exfiltrate data from South Korean financial institutions between late September and early October 2026. The attack, identified by CrowdStrike Intelligence, highlights the misuse of AI-driven security tools for malicious purposes.

Cybersecurity researchers have disclosed details of a targeted campaign aimed at South Korean financial organizations that used an artificial intelligence (AI) pen testing tool named ARTEX to carry out the attacks.

The activity, per CrowdStrike Intelligence, was active from late September to early October 2026, and resulted in data exfiltration.

"In this activity, the threat actor leveraged

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