随着科学技术的进步,计算机和网络技术取得了快速发展,成为信息交流手段,渗透到社会的各个方面。目前,计算机网络安全已经成为国防、国家和国民经济重要的组成部分。实际的网络中,由于其脆弱性就会出现各种安全问题,严重威胁了用户信息的安全。只有采取强有力的安全策略,对网络进行有效的检测,才能保障计算信息的安全,才能真正享受到网络信息带给我们的便捷。首先,分析了计算机网络的安全问题;然后,讨论了网络安全问题的检测技术;最后,提出了防范措施,以保证计算机网络的安全,以更好的为社会服务。 With the advancement of science and technology, the computer and network technologies have made rapid progress and become means of information exchange, permeating all aspects of society. At present, computer network security has become an important part of national defense, national economy and national economy. In the actual network, due to its vulnerability, various security problems will occur, which seriously threaten the security of user information. Only by adopting a strong security strategy to effectively detect the network can we guarantee the security of computing information and truly enjoy the convenience provided by the network information. First of all, the security problem of computer network is analyzed. Secondly, the detection technology of network security problem is discussed. Finally, preventive measures are put forward to ensure the security of computer network to better serve the society.