摘 要
随着网络攻击手段的不断演进和复杂化，传统基于边界的安全防护机制已难以应对日益增长的安全威胁，零信任架构作为一种新兴的安全理念逐渐受到广泛关注。本研究以零信任架构为核心，针对网络边界检测与防御机制展开深入探讨，旨在通过重新定义访问控制策略和安全边界，提升网络系统的整体安全性。研究首先分析了当前网络安全防护体系中存在的不足，特别是传统边界防护模型在面对内部威胁和动态环境时的脆弱性，进而提出了一种基于持续身份验证和动态授权的零信任网络边界检测框架。该框架结合行为分析、机器学习和实时数据监控技术，实现了对用户和设备的信任评估及动态调整。实验结果表明，所提出的机制能够显著提高对异常行为的检测精度，并有效降低误报率，同时具备较强的适应性和可扩展性。
关键词：零信任架构 网络边界检测 动态授权
Abstract
With the continuous evolution and complexity of cyber attack means, the traditional border-based security protection mechanism has been difficult to cope with the growing security threats, and the zero-trust architecture, as an emerging security concept, has gradually attracted wide attention. With the zero-trust architecture as the core, this study conducts an in-depth discussion on the network boundary detection and defense mechanism, aiming to improve the overall security of the network system by redefining the access control strategy and security boundary. The study first analyzes the shortcomings in the current network security protection system, especially the vulnerability of the traditional boundary protection model in the face of internal threats and dynamic environment, and then proposes a zero-trust network boundary detection fr amework based on continuous authentication and dynamic authorization. The fr amework combines behavior analysis, machine learning and real-time data monitoring technologies to achieve trust assessment and dynamic adjustment of users and devices. The experimental results show that the proposed mechanism can significantly improve the detection accuracy of abnormal behavior, effectively reduce the false positive rate, and have strong adaptability and scalability.
Keyword:Zero Trust Architecture Network Boundary Detection Dynamic Authorization
目 录
1绪论 1
1.1网络安全与零信任架构的背景分析 1
1.2基于零信任的边界检测与防御意义探讨 1
1.3零信任架构相关研究现状综述 1
1.4本文研究方法与技术路线设计 2
2零信任架构基础理论与关键技术 2
2.1零信任架构的核心理念解析 2
2.2零信任下的身份认证机制研究 3
2.3动态访问控制技术及其应用分析 3
2.4数据加密与传输安全机制探讨 4
2.5零信任架构的技术挑战与应对策略 4
3网络边界检测机制的设计与实现 4
3.1边界检测在零信任中的作用分析 5
3.2基于行为分析的异常检测方法研究 5
3.3实时威胁感知与响应机制设计 5
3.4边界检测中的数据采集与处理技术 6
3.5边界检测机制的实际案例分析 6
4防御机制优化与实践验证 7
4.1零信任架构下防御体系的构建思路 7
4.2基于风险评估的动态防御策略研究 7
4.3自适应防御技术的应用与改进分析 8
4.4防御机制的性能评估与优化方案 8
4.5实验验证与结果分析 9
结论 9
参考文献 11
致谢 12
