AI hacking tool causes data leaks at multiple South Korean banks
What happened
Between late September and early October 2026, a suspected Chinese speaker used an AI hacking tool to attack multiple South Korean financial institutions and steal large amounts of data. According to a CrowdStrike report, more than 25,000 records containing names, contact details, income and credit limits were stolen from Shinhan Bank alone. The attacker is described as a lone actor who used AI tools to breach multiple South Korean banks. The incident is still developing, and follow-up reports have not yet disclosed further affected institutions or the scale of the data.
Written by AI from the reports · updated 8 d ago
Timeline
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- The DecoderSelectedAI-powered hacking tools enabled a likely single attacker to breach multiple South Korean banks
According to CrowdStrike, a suspected Chinese-speaking attacker hacked multiple South Korean financial institutions. At Shinhan Bank alone, more than 25,000 customer records were stolen. The attacker used ARTEX, an open-source tool that uses AI models like DeepSeek and GLM-5.3 for automated penetration testing. CrowdStrike says the case shows how AI tools can let a single person pull off massive breaches.
Heat of this event
Current heat 3·Peak in the comparable range 5（Oct 9 16:00）·Change over 24 hours in the comparable range -51%
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