Greetings, dear readers! With the popularity and development of the Internet, the Internet has become an indispensable part of our daily life. However, the network has also brought us many negative effects, the biggest of which is the network security problem. The Internet has invaded our privacy. Cyber attackers can have a serious impact on our personal lives and work by stealing our personal information, stealing our bank account information, and altering the content of our social media accounts. Cyber attackers can also use our personal information to commit fraud, fishing and other criminal acts that threaten our property and life. The Internet has a negative impact on our lives and work. The popularity and development of the Internet allows us to easily obtain all kinds of information through the Internet, but it also makes us lose the opportunity to communicate face to face. The rise of social networking has made it easier for us to keep in touch with friends and family, but it has also made us more vulnerable to cyberbullying and cyberviolence. The popularity and development of the Internet has also made us more susceptible to false information, making us make wrong decisions and choices. There were also some benefits to the internet. The Internet can help us learn, communicate, entertain, and shop. The popularity and development of the Internet has also provided us with more employment opportunities and business opportunities, making it easier for us to obtain information and provide services. Internet security has become a problem that we have to face. We should take measures to protect our personal information and network security. We should strengthen the cultivation of network security awareness and learn how to guard against network attacks and network fraud. We should regulate online behavior to avoid cyberbullying and cyberviolence. We should make full use of the advantages of the Internet to promote our lives and work. The disadvantages of the Internet are greater than the advantages. We should take this problem seriously. The popularity and development of the network has brought us many benefits, but the problem of network security has become a problem that we have to face. We should take measures to protect our personal information and network security to make our lives better.