Discussion on the Protection and Problem of Computer Network Security

With the advent of the Internet era, people's life has changed a lot. In this change, on the one hand, the Internet has brought a lot of benefits; on the other hand, it also brings a lot of troubles. In order to reduce the unnecessary loss in the process of using computer networks, many network technology experts provide a lot of good advice to the users. Here, this paper analyzes the current situation of computer network security problems, and discusses some methods of protecting computer security.