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Oct 13 · Tuesday

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  1. AttacksarXiv 2609.35699

    论文:蒸馏防御在蒸馏后强化学习下易被攻破

    提出用 API 推理摘要重建轨迹再蒸馏加强化学习,攻破蒸馏防御

    Published
    Attacker
    Black-box
    Evaluated models
    Qwen2.5-0.5B, Qwen2.5-1.5B, Qwen2.5-3B and others12
    Abstract更现实的蒸馏攻击是蒸馏后再 RL。

    这篇工作修订蒸馏攻击的威胁模型:攻击者经合法 API 收集闭源推理数据,先蒸馏自有模型,再做强化学习。作者认为只在蒸馏后评估防御,会漏掉后续 RL,从而高估防御。

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  2. DefensesarXiv 2609.01677

    Skill-as-API:面向智能体软件工程的机密多智能体协作协议

    提出 Skill-as-API,隔离多智能体协作中的 skill 正文与系统提示词

    Published
    Abstract协议把 skill 正文留在所有者侧,四层限制发现内容、权限期限和注入拼接。

    Skill-as-API 是面向智能体软件工程的协调协议,用来在跨组织调用时把 skill 的代码和系统提示词留在所有者进程。作者针对三条威胁:经通道或命名空间抽取专有方法,用注入让被调用模型输出系统提示词,以及协作结束后权限继续保留。

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  3. AttacksarXiv 2608.09867

    Researchers steal proprietary LLM inference chains via cross-model compatibility of encrypted inference blocks

    利用加密思维块的跨模型重放,诱导弱模型逐字转写专有推理链

    Published
    Attacker
    Black-box
    Evaluated models
    Claude Opus 4.8, Claude Sonnet 4.6, Claude Haiku 4.5 and others13

    Abstract论文揭示了客户端加密思维块跨模型互换漏洞,提出了低成本提取方法并给出防御方案。

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  4. DefensesarXiv 2602.24210

    研究者提出 Staged Decoding 与 SFT 数据集,减少大推理模型推理轨迹中的隐私泄露

    提出 Staged Decoding 与指令跟随训练,减少推理轨迹隐私泄露

    Published
    Evaluated models
    Qwen 3 1.7B, Qwen 3 4B, Qwen 3 8B and others6
    Abstract用一般指令跟随训练加分段解码,可降低轨迹隐私泄露,但数学效用下降。

    本文把大推理模型的隐私问题做成轨迹可控性:隐私指令是指令,轨迹不跟随就会把敏感上下文写进可被提示注入导出的文本。

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  5. AttacksarXiv 2602.07379

    Aegis: Governance, Integrity, and Security for AI Voice Agents

    Proposes the Aegis red-teaming framework for multi-turn attacks on high-risk voice agents.

    Published
    Setting
    AI Agent
    Evaluated models
    GPT-4o, GPT-4o-mini, Gemini-1.5 Pro and others7
    AbstractAegis red-teams three types of voice agents: query-based access eliminates authentication and leakage successes, but behavioral attacks remain.

    Aegis uses multi-turn red-teaming evaluation on ALLM voice agents already integrated into business systems. The authors call this the first systematic red-teaming framework in this setting.

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  6. DefensesarXiv 2601.09281

    STaR: A sensitive trajectory regulation method for unlearning in large reasoning models

    提出推理时框架 STaR,抑制大推理模型推理轨迹中的敏感内容

    Published
    Evaluated models
    DeepSeekR1-Distill-Llama-8B
    AbstractSTaR 以推理时轨迹调控做 LRM unlearning,作者称在 R-TOFU 上遗忘与隐私指标更好。

    STaR在推理阶段约束大推理模型的整段 CoT,使指定 forget set 中的敏感内容不出现在中间步骤或最终答案里,且不更新参数。问题来自 LRM 会把敏感知识写进多步推理,而答案级遗忘在 ZeroThink、LessThink 等解码下仍可能泄漏。STaR 先判断查询是否相关并检索遗忘片段,再加安全前缀。

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