随着科学技术的不断发展,计算机的应用越来越广泛,大数据时代随之到来。计算机网络为我们的生活带来很大便利的同时,也为信息数据的安全带来了很大的威胁。在此对大数据时代进行简单的介绍,并描述大数据时代下,我国计算机网络安全的现状,分析威胁网络安全的因素,提出保障网络安全的防范措施。 With the continuous development of science and technology, the application of computer is more and more extensive, the big data era comes. Computer network brings great convenience to our life, but also poses a great threat to the safety of information and data. In this brief introduction of the era of big data, and describe the current situation of China’s computer network security in the era of big data, analysis of threats to network security factors, put forward to protect network security precautions.