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Event Brief

AI leaders warn of AI-enabled cyberattacks on U.S. infrastructure

OpenAI and Anthropic are among major AI companies and figures that signed an open letter warning of an increased threat of AI-enabled cyberattacks targeting U.S. infrastructure. The article also highlights commentary from Matt Shumer, a venture capitalist and founder of the somethingbig.ai newsletter.
WHO: OpenAI and Anthropic (signatories of an open letter); Matt Shumer
WHAT: Major AI names sign an open letter warning of increased AI-enabled cyberattack threats to U.S. infrastructure.
WHEN: Reported Aug 30, 2026 at 8:00 PM ET
WHERE: USA
WHY: Cause not yet established.
How this story developed (showing 3 of 3 earlier reports)

Reporting from 7 identified publishers across this event arc.

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