在数字化转型的浪潮中，电子邮件系统作为企业内外部信息交互的枢纽，始终是网络攻防博弈的主战场。长期以来，针对邮件系统的攻击主要集中于文本内容的混淆、恶意附件的伪装以及URL链接的隐匿。为了应对这些威胁，企业普遍部署了基于签名库、启发式规则及沙箱技术的邮件安全网关（SEG），形成了相对成熟的防御体系。然而，攻击者的战术始终随着防御技术的升级而动态演进。近年来，一种利用二维码作为攻击媒介的新型钓鱼手法— ...

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点击上方“Deephub Imba”,关注公众号,好文章不错过 !本文会带你从零搭建一个完整的概念验证项目（POC），技术栈涵盖 Adaptive RAG、LangGraph、FastAPI 和 Streamlit 四个核心组件。Adaptive RAG 负责根据查询复杂度自动调整检索策略；LangGraph 把多步 LLM 推理组织成有状态的可靠工作流；FastAPI 作为高性能后端暴露整条..