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Google Says Hackers Used AI to Develop a Major Security Flaw

Accepted submission by fliptop at 2026-05-12 23:03:21 from the please-do-no-evil-with-the-monster-we-helped-create dept.
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The findings make clear that the race to use AI to find network vulnerabilities has “already begun [politico.com]”

Cybercriminals were recently caught using a zero-day exploit believed to have been discovered and developed by artificial intelligence, Google announced Monday.

The announcement comes as major AI companies, including Anthropic and OpenAI, have begun testing newer models that can find and exploit critical software vulnerabilities [politico.com] better than most humans.

Google Threat Intelligence Group researchers detailed the development in a report released Monday [google.com]. Zero-day exploits are considered the most serious type of security flaw because they are not detected by security companies and have no known fixes.

[...] Google concluded that Anthropic’s Claude Mythos model — which has already found thousands of vulnerabilities [anthropic.com] across every major operating system and web browser — was most likely not used to develop the zero-day exploit.

Also at TechRepublic [techrepublic.com] and API [apnews.com].

Previously: Mozilla Says 271 Vulnerabilities Found by Mythos Have “Almost No False Positives” [soylentnews.org]


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