ARTEX AI Pentesting Tool Used in Data Theft Attacks on South Korean Financial Firms

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