Application of Data Encryption Technology in Computer Network Security

At present, as an important tool to change people's production and life, computers have been widely used in all walks of life, showing broad application prospects. However, at the same time facing severe computer network security issues, the system is often damaged by accidental or malicious factors, and security issues such as data leakage occur, causing serious economic losses and negative social effects. Therefore, in order to create a safe computer network environment and effectively solve network security problems, the article aims to ensure computer network security through research and discussion on data encryption technology, and to further develop computer application security for reference.