A small security team built an AI tool that can hijack WeChat accounts and spread by phone call. It was a test, and they reported the flaw.
Security researchers in California built an AI-made tool that can take over WeChat accounts and spread from phone to phone without a call being answered; they say it took a little more than a week, and that they reported the flaw to the White House and to WeChat's owner, Tencent.
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Mock A.I. Attack on WeChat Should Alarm China
Press report by Lilly Kuo and Pei-Lin Wu (publication not recorded) · Sep 16, 2026
