arXiv:2608.04317cs.CRcs.AI2026-08

用智能体框架Trident测试并击穿深度强化学习网络安全防御

Trident : How to Break Deep Reinforcement Learning Cyber Defenses (Agentic)

论文配图:Trident : How to Break Deep Reinforcement Learning Cyber Defenses (Agentic)
图 1 · 摘自论文原文
  • 设计三组件框架,用代码即策略重构红队智能体训练
  • 7B参数规划器使防御性能平均下降522%,发现静态规则无法捕捉的攻击行为
  • 适合研究对抗性智能体、强化学习安全或红蓝对抗的学者

基于深度强化学习(DRL)的自主网络安全防御系统受到广泛关注,但其评估几乎仅针对静态启发式红队,对自适应威胁的鲁棒性研究严重不足。与此同时,具备可验证奖励的强化学习(RLVR)虽提升了大模型推理能力,但在网络安全领域的应用受限于缺乏合适的基准环境和交互数据集。为此,我们提出Trident,一个包含三部分的智能体红队框架:动态基准环境(覆盖CybORG CAGE 4与CyberWheel的隔离沙箱)、包含超过13,000条高保真红蓝交互轨迹的数据集,以及基于“代码即策略”的RLVR智能体架构Trident Agentic。该架构通过日志总结器-规划器-编码器三元结构,将红队训练重构为上下文感知的随机多臂赌博机问题;可训练的规划器从压缩执行日志中生成完整攻击策略,由冻结的编码器转化为可执行的Python策略,在真实DRL防守者上部署。实证评估显示现有防御存在根本脆弱性:仅使用一个7B参数的规划器,Trident使蓝方防御性能平均下降522%;同时自主发现如诱饵规避、状态优先级自适应等新兴行为,而静态启发式方法完全无法察觉。

原文摘要 · Abstract (English)

Autonomous cyber defense systems based on Deep Reinforcement Learning (DRL) have attracted significant research attention, yet remain evaluated almost exclusively against static, heuristic red agents, leaving their robustness against adaptive threats critically understudied. Meanwhile, recent advances in Reinforcement Learning with Verifiable Rewards (RLVR) have improved LLM reasoning, but their integration into cybersecurity remains elusive due to the absence of suitable benchmark environments and interaction datasets. To bridge this gap, we introduce Trident, an agentic LLM red teaming framework comprising three components: a dynamic benchmark with isolated sandbox servers spanning CybORG CAGE 4 and CyberWheel, a dataset comprises over 13,000 high-fidelity red-blue interaction trajectories for RLVR, and a ``Code-as-Policy'' RLVR agentic architecture Trident Agentic). The latter reformulates red agent training as a contextual bandit via a tripartite Log Summarizer--Planner--Coder design, where a trainable Planner generates complete attack strategies from compressed execution logs, which a frozen Coder translates into executable Python policies deployed against live DRL defenders. Empirical evaluations reveal a fundamental brittleness in existing defenses: with a single trainable 7B planner, Trident reduces blue agent defensive performance by an average of 522% compared to static red agent baselines while autonomously discovering emergent behaviors such as decoy avoidance and adaptive state prioritization that static heuristics entirely fail to uncover.

红队智能体强化学习安全评估大模型攻防

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