如何更有效地保护重要的信息数据、提高计算机网络系统的安全性已经成为影响一个国家的政治、经济、军事和人民生活的重大关键问题。本文通过深入分析网络安全面临的挑战及攻击的主要方式,从管理和技术两方面就加强计算机网络安全提出针对性建议。 How to protect important information data more effectively and improve the security of computer network system has become a major issue affecting the political, economic, military and people’s lives in a country. In this paper, through in-depth analysis of the challenges faced by cybersecurity and the main ways of attacks, this paper puts forward some suggestions on how to strengthen computer network security from the aspects of management and technology.