{
  "id": 10800769,
  "title": "Anthropic says GLM-5.3 can autonomously build end-to-end cyber exploits, like Claude Mythos Preview, but was released without robust safeguards against misuse (Anthropic)",
  "url": "https://urgent.news/2026/09/29/anthropic-says-glm-5-3-can-autonomously-build-end-to-end-cyber",
  "topic": "ai",
  "section": "AI",
  "published": "2026-09-29T22:35:00.000Z",
  "source": {
    "name": "Techmeme",
    "slug": "techmeme",
    "url": "https://www.anthropic.com/research/glm-5-3-and-the-spread-of-advanced-cyber-capabilities"
  },
  "original_language": "en",
  "account": null,
  "summary": "GLM-5.3 can develop working exploits end to end — Five months ago, we announced Claude Mythos Preview, the first AI model …",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 6,
    "also_reported_by": [
      {
        "outlet": "TechRadar",
        "title": "Claude is down for many — here's everything we know as Anthropic confirms an active issue",
        "url": "https://urgent.news/2026/09/29/claude-is-down-for-many-heres-everything-we-know-as-anthropic",
        "published": "2026-09-29T14:32:33.000Z"
      },
      {
        "outlet": "CNA - Business",
        "title": "Spotify, Anthropic's Claude down for some US users, Downdetector shows",
        "url": "https://urgent.news/2026/09/29/spotify-anthropics-claude-down-for-some-us-users-downdetector-shows-10721602",
        "published": "2026-09-29T14:33:00.000Z"
      },
      {
        "outlet": "Economic Times Tech",
        "title": "Spotify, Anthropic's Claude down for some US users, Downdetector shows",
        "url": "https://urgent.news/2026/09/29/spotify-anthropics-claude-down-for-some-us-users-downdetector-shows-10716104",
        "published": "2026-09-29T14:58:01.000Z"
      },
      {
        "outlet": "Android Authority",
        "title": "Is Claude down for you? Anthropic shares what’s going wrong",
        "url": "https://urgent.news/2026/09/29/is-claude-down-for-you-anthropic-shares-whats-going-wrong",
        "published": "2026-09-29T15:08:24.000Z"
      },
      {
        "outlet": "Techmeme",
        "title": "Interviews with Anthropic co-founder Christopher Olah and 20 religious and philosophical leaders about their summits to investigate consciousness in Claude (Elizabeth Dias/New York Times)",
        "url": "https://urgent.news/2026/09/29/interviews-with-anthropic-co-founder-christopher-olah-and-20",
        "published": "2026-09-29T19:20:01.000Z"
      }
    ]
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}