摘 要
数字化时代下，网络安全成为组织重大挑战，零信任网络理念因“永不信任，始终验证”原则而受关注。信息技术快速发展，网络安全问题凸显，特别是企业级用户面临数据泄露和黑客攻击风险。传统防火墙安全模型已不适应现代需求，零信任网络理念应运而生。本研究深入探讨零信任网络架构、攻击检测和防御机制。绪论强调研究背景和意义，指出现有安全体系不足，阐述研究目的。零信任网络架构概述解读模型起源、核心概念和关键技术。攻击检测机制部分提出基于行为模式的异常检测方法，描述流量分析和深度包检测技术。网络防御机制构建部分讨论动态访问控制、安全响应以及安全态势感知与可视化的重要性。未来趋势部分展望人工智能、边缘计算等新技术在零信任网络中的应用前景。结论总结研究成果，为网络安全领域研究者和实践者提供新见解和方向。
关键词：网络架构；攻击检测；防御机制
NETWORK ATTACK DETECTION AND PROTECTION STRATEGY IN ZERO-TRUST NETWORK ARCHITECTURE
ABSTRACT
In the digital age, network security has become a major challenge for organizations, and the concept of zero-trust network has attracted attention because of the principle of "never trust, always verify". With the rapid development of information technology, network security issues have become prominent, and enterprise users in particular are facing the risk of data leakage and hacker attacks. The traditional firewall security model has been unable to meet the modern needs, so the concept of zero-trust network comes into being. In this study, zero-trust network architecture, attack detection and defense mechanisms are discussed in depth. The introduction emphasizes the background and significance of the research, points out the deficiencies of the existing safety system, and expounds the purpose of the research. Overview of zero-trust network architecture Interprets the origin of the model, core concepts and key technologies. In the part of attack detection mechanism, an anomaly detection method based on behavior pattern is proposed, and traffic analysis and deep packet detection techniques are described. The building of network defense mechanisms section discusses the importance of dynamic access control, security response, and security situational awareness and visualization. The future trend section looks forward to the application prospects of new technologies such as artificial intelligence and edge computing in zero-trust networks. Conclusion The research results are summarized to provide new insights and directions for researchers and practitioners in the field of network security.
KEY WORDS：Network Architecture; Attack Detection; Defense Mechanism
目 录
摘 要 I
ABSTRACT II
第1章 引言 2
第2章 零信任网络架构概述 3
2.1 零信任网络的起源与发展 3
2.2 零信任网络的核心理念 3
第3章 零信任网络中的攻击检测机制 5
3.1 基于行为的异常检测 5
3.1.1 用户行为模式建模 5
3.1.2 异常行为识别算法 5
3.1.3 实时监控与预警系统 5
3.2 流量分析与深度包检测 6
3.2.1 网络流量特征提取 6
3.2.2 恶意流量识别技术 6
3.2.3 加密流量解密与检测 6
3.3 威胁情报集成与应用 7
3.3.1 威胁情报来源与分类 7
3.3.2 情报驱动的检测策略 7
3.3.3 情报共享与协同防御 8
第4章 零信任网络防御机制的构建 9
4.1 动态访问控制策略 9
4.2 安全响应与应急处理 9
4.3 安全态势感知与可视化 10
第5章 零信任网络的未来趋势 11
5.1 AI与机器学习的应用 11
5.2 边缘计算与物联网安全 11
5.3 安全架构的持续演进 11
5.4 自动化身份验证和持续安全验证 12
第6章 结论 13
参考文献 14
致 谢 15
