US firm used AI to hijack WeChat account, spurring call for cyber cooperation with China

SCMP TechSeptember 9, 2026en

US cybersecurity researchers have demonstrated how artificial intelligence could help hijack WeChat accounts via unanswered voice calls, intensifying concerns about AI-driven cyber threats and prompting renewed calls for bilateral cooperation between the United States and China. US security firm Calif said on Tuesday that its AI system identified a critical flaw in Tencent Holdings’ widely used messaging and payments app in July. In just a little over a week, researchers developed WeWorm – an...

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