Computer network security issues and countermeasures

The 21st century is the era of the Internet, featured by rapid development and application of computer network technology. Security issues also present themselves accompanying the emergence of computer networks. To tackle these issues, we must come up with countermeasures. In this article, the author firstly analyzes the security and reliability issues existing in computer networks, and then proposes some opinions on how to deal with the current computer network security issues, aiming to discuss this together with extensive customers in order to enhance the awareness of computer network security protection.