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countries_code:KR × latest_source_host:gbhackers.com × criticity:high × limpar

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gbhackers.com · high

Lazarus Group's Operation FlashHole uses ML-KEM post-quantum key exchange in LPEClient against South Korean organizations

Lazarus Group, linked to North Korea, ran a cyberespionage campaign dubbed Operation FlashHole against South Korean organizations. The campaign combined spear-phishing, tailored websites, abuse of the financial security application INISAFE CrossWeb EX, and modular malware that ran largely in memory. It follows Operation SyncHole, which ab…

gbhackers.com · high

Chinese-speaking operator orchestrates ARTEX with Claude Code, Codex, DeepSeek, GLM and Grok to automate attacks worldwide

A Chinese-speaking threat operator combined the agentic penetration-testing framework ARTEX with Claude Code, Codex and configurations requesting DeepSeek, GLM and Grok models to coordinate attacks on organizations worldwide. Recovered prompts dated August 4 to October 4, 2026 referenced targets in financial services, cryptocurrency, reta…

gbhackers.com · high

TAG-217 used Claude Code, DeepSeek, Grok and ARTEX in AI-assisted preparation linked to South Korean bank breaches

Recorded Future's Insikt Group (report of October 16) tracks a suspected Chinese-speaking actor, TAG-217, linked to attacks on South Korean financial institutions. The actor used Claude Code, DeepSeek, Grok and Zhipu AI alongside ARTEX, an open-source Chinese-language AI penetration testing framework. Public reporting cited in the investi…