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What Is ARTEX? The Pentest Agent Framework Now Used in Real Intrusions
ARTEX is an open-source, multi-agent penetration testing framework, and since late September 2026 security firms have tied it to real intrusions at banks, government agencies, software vendors and a Dutch security nonprofit. Every report describes ARTEX being pointed at its targets, and none says it picked victims on its own. The agents did the repetitive work at machine speed. This explainer covers what ARTEX is, what each report says, where the sources disagree, and what site owners and small IT teams can check.