{
    "author": null,
    "date_published": "2026-09-29T15:46:00.000Z",
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    "domain": "www.anthropic.com",
    "excerpt": "GLM-5.3 can autonomously build end-to-end cyber exploits, but unlike other frontier models, it was released without meaningful safeguards to limit misuse.",
    "lead_image_url": "https://www-cdn.anthropic.com/images/4zrzovbb/website/6d4a0d28992ade92d6fa63646fd9c9d318245c6c-2400x1260.jpg",
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    "title": "GLM-5.3 and the spread of advanced cyber capabilities",
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    "url": "https://www.anthropic.com/research/glm-5-3-and-the-spread-of-advanced-cyber-capabilities",
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