【摘要】 阐述信息化网络安全面临的挑战和关键技术，提出安全防护策略。通过完善安全管理制度、加大技术研发力度、构建多层次安全防护体系、加强安全监测与预警等措施，有效抵御各类网络威胁。更多还原

【Abstract】 This paper expounds the challenges and key technologies faced by information network security, and proposes security protection strategies. It effectively resists various network threats by improving security management systems, increasing technological research and development efforts, building a multi-level security protection system, and strengthening security monitoring and early warning measures.更多还原