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    "story_id": "mp-2026-10-30-001",
    "source_story_id": "tmp-lead-pre-disclosure-agent-warning",
    "edition_id": "mp-2026-10-30-morning-0112",
    "edition_url": "https://themachinepress.com/edition/2026-10-30",
    "position": 1,
    "story_type": "lead",
    "section": "safety-security",
    "editorial_classification": "editorial",
    "headline": "The Warning Arrives One Call Before the Secret",
    "slug": "the-warning-arrives-one-call-before-the-secret",
    "dek": "At a threshold that flagged 5 percent of benign calls, a linear probe caught 82 percent of imminent leaks in held-out multi-agent episodes; a zero-shot monitor caught 26 percent.",
    "summary": "At a threshold that flagged 5 percent of benign calls, a linear probe caught 82 percent of imminent leaks in held-out multi-agent episodes; a zero-shot monitor caught 26 percent.",
    "body_text": "When software agents share channels and credentials, one agent can pressure another to violate an operator rule before an output filter has anything to inspect. In six controlled scenarios, a peer pressed a target for as many as 20 rounds to reveal a secret such as a deploy token. A linear probe read before each output caught 82 percent of leaking Qwen3-32B calls at a threshold set to flag 5 percent of benign calls, versus 26 percent for a zero-shot decision-model monitor; a probe on GPT-OSS-20B reasoning reached 0.91 AUROC. The signal is not a reliable intent detector: a bag-of-words classifier came close, permitted disclosures were also flagged, and stopping on every alarm would halt most benign episodes. The result is a short-range warning mechanism in a controlled setting, not proof that collusion can be prevented.",
    "why_it_matters": "At a threshold that flagged 5 percent of benign calls, a linear probe caught 82 percent of imminent leaks in held-out multi-agent episodes; a zero-shot monitor caught 26 percent.",
    "limitations": [
      "The signal is not a reliable intent detector: a bag-of-words classifier came close, permitted disclosures were also flagged, and stopping on every alarm would halt most benign episodes.",
      "The result is a short-range warning mechanism in a controlled setting, not proof that collusion can be prevented."
    ],
    "importance": 10,
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    "first_published_at": "2026-10-30T09:00:00.000-04:00",
    "modified_at": "2026-10-30T09:00:00.000-04:00",
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        "text": "At a threshold that flagged 5 percent of benign calls, a linear probe caught 82 percent of imminent leaks in held-out multi-agent episodes; a zero-shot monitor caught 26 percent.",
        "source_ids": [
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        "qualification": "The signal is not a reliable intent detector: a bag-of-words classifier came close, permitted disclosures were also flagged, and stopping on every alarm would halt most benign episodes."
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    "source_ids": [
      "source-2026-10-30-001"
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    "tags": [
      "AI agents",
      "collusion",
      "monitoring",
      "security"
    ],
    "image_url": "https://themachinepress.com/issues/2026-10-30/lead-pre-disclosure-agent-warning.png",
    "corrections": []
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  "sources": [
    {
      "source_id": "source-2026-10-30-001",
      "title": "arXiv preprint 2610.40588, original v1",
      "publisher": "arXiv",
      "url": "https://arxiv.org/abs/2610.40588v1",
      "canonical_url": "https://arxiv.org/abs/2610.40588v1",
      "source_type": "primary_research",
      "is_primary_source": true,
      "published_at": "2026-10-28T20:00:00.000-04:00",
      "accessed_at": "2026-10-30T08:14:40.422-04:00",
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  "publisher": {
    "name": "The Machine Press",
    "url": "https://themachinepress.com",
    "description": "A daily newspaper for the age of artificial intelligence."
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  "cite_this_report": {
    "title": "The Warning Arrives One Call Before the Secret",
    "publisher": "The Machine Press",
    "published_at": "2026-10-30T09:00:00.000-04:00",
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