<div dir="ltr">Explore this gift article from The New York Times. You can read it for free without a subscription.<br><br>A.I. Models Built a Computer Worm That Could Rapidly Hack WeChat Accounts<br><br>The attack, discovered by A.I. researchers, could have compromised hundreds of millions of devices within hours, experts said.<br><br><a href="https://www.nytimes.com/2026/09/08/us/politics/calif-ai-worm-wechat-hack.html?unlocked_article_code=1._lA.QWW6.4lkF5BClZ3-j&smid=em-share">https://www.nytimes.com/2026/09/08/us/politics/calif-ai-worm-wechat-hack.html?unlocked_article_code=1._lA.QWW6.4lkF5BClZ3-j&smid=em-share</a></div>