Chinese Hacker Deployed AI in Campaign Against South Korean Banks

CrowdStrike revealed that a Chinese-speaking hacker deployed agentic pentesting tool ARTEX and Claude to help breach data from South Korean financial firms

Data breaches Infosecurity Magazine 5 d ago

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A suspected China-based threat actor leveraged AI tooling in a campaign that successfully exfiltrated data from South Korean financial organizations, CrowdStrike has revealed.

The cybersecurity firm discovered that the attacker used ARTEX, a recently released open-source agentic pentesting tool developed in China alongside Anthropic’s Claude AI model during the campaign, which ran from late September to early October 2026.