The development of the Internet is changing with each passing day, and the website plays an important role in it. Because the website is the carrier of the network, only through the website users can understand the information presented. It can be said that the company must do something to build the website. Since the website is so important, the security issue is a problem that must be considered by the website, and the data and member information in the website cannot be leaked, Or the website is often attacked by trojans, which not only affects the image of the company, but also causes great losses to the company and even users due to the leakage of user information. Today, the professional website construction team of PageAdmin will tell you several security issues that must be paid attention to during the website construction.