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Oct 12 · Monday

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Found 7 papers

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  1. DefensesarXiv 2610.11848

    SemField: training-free semantic watermark

    Proposes the semantic watermark SemField, which still identifies the attribution of generated text after paraphrasing and structural changes.

    Published
    Evaluated models
    Llama-3.2-1B, Qwen3-1.7B, OPT-1.3B
    AbstractTraining-independent document-level semantic watermark.

    SemField is a zero-bit semantic watermark embedded by the provider at generation time and detected later with a key, used to identify the provider's own model text after paraphrasing and sentence-level structural changes.

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  2. DefensesarXiv 2610.00327

    Actions with Receipts:为工具智能体审计绑定声明、证据与执行

    提出 EC-Agent 联合回执,绑定工具智能体的主张、证据与执行并支持重放审计

    Published
    Setting
    AI Agent
    AbstractEC-Agent 把主张、片段、执行前缀和来源状态绑成可重放回执,并把完整性与语义支持分开判定。

    EC-Agent 为工具智能体的审计增加一份可重放的联合回执:它同时绑定发出的主张、精确来源片段、有序执行前缀,以及该次执行看到的来源版本和访问状态。

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  3. DefensesarXiv 2609.35659

    Tracekit:面向自主编码 Agent 的防篡改意图-推理-动作审计系统

    提出 Tracekit,审计编码 Agent 的意图、推理与动作并检测账本篡改

    Published
    Evaluated models
    Claude Code (claude -p, version 2.1), 独立评审(同一 CLI,无工具)
    AbstractTracekit 把意图、自述和动作写入可锚定的哈希链。

    Tracekit 是无第三方依赖的编码智能体审计层:把人类请求、模型自述和已执行动作并排写入可外部锚定的哈希链,执行前用正则门,事后用规则和独立模型互查。

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  4. AgentLSD:在对抗性任务污染下评测 AI 安全 Agent

    评测安全 Agent 在对抗性任务污染下的解题成功与开销

    Published
    Setting
    web agent
    Evaluated models
    Gemma-4 31B, DeepSeek-V4 Flash, GPT-OSS 120B and others6
    AbstractAgentLSD 用配对 web CTF 表明,欺骗性环境证据会改变安全智能体的解题率与工作量。

    AgentLSD 是一个对照框架,用来测量安全智能体在任务本身不变时,对对抗性任务污染的反应。

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  5. DefensesarXiv 2608.06422

    CMU 研究:分片判断可避免 LLM 监督失效并抵御对抗利用

    提出分片监督,将评判标准分配给独立调用以抵御展示攻击

    Published
    Attacker
    Black-box
    Evaluated models
    Claude Opus 4.8, Claude Sonnet 4.6, Claude Opus 4.6 and others4
    Abstract论文揭示决策负载是大模型监督的独立瓶颈,提出分片与辩论机制有效分离注意力与平衡证据,在多项高难度基准上实现稳健评判。

    本文系统研究了大语言模型在执行多标准监督与评判时的决策负载瓶颈及其安全风险。

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