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This article mainly explains "what are the common problems of network security". The content of the explanation in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought. Let's study and learn what are the common network security problems!

There are many kinds of problems related to network security, such as common system security, web security, wireless security, Internet of things security and so on.

Web security: when the programmer of the source code of the website writes the source code without filtering the assigned parameters, then there will be a lot of security vulnerabilities, the more common vulnerabilities are SQL injection vulnerabilities, XSS vulnerabilities, file containing vulnerabilities, ultra vires vulnerabilities, and so on. In fact, these loopholes are easy to eliminate, but programmers make big mistakes because they are lazy. Of course, there are also loopholes in server configuration, such as common directory traversal, sensitive downloads, file uploads, parsing vulnerabilities, and so on. These vulnerabilities are all caused by improper configuration of the server. These vulnerabilities are very easy for attackers to obtain the desired data, such as the account password of the webmaster. If the loophole is serious, they can directly elevate the rights of the server and get the shell permission of the server.

System security: system security vulnerabilities are generally permission class vulnerabilities, users do not update patches in time, or open sensitive ports, sensitive services, and so on, can be exploited by hackers, you can see the principle of buffer overflow vulnerabilities in detail.

It's been reported on the news before. WiFi is also a network security issue that needs to be paid attention to. Planting Trojans, etc., to obtain host permissions connected to malicious WiFi, Internet of things, our most common is a vending machine or some intelligent devices, then as far as the vending machine is concerned, the vending machine is a sandboxie system. In the final analysis, he is a system, when the user can operate on the system in some way. Isn't it possible to buy things at will and so on.

Thank you for your reading. The above is the content of "what are the common problems in network security?" after the study of this article, I believe you have a deeper understanding of what are the common problems in network security. The specific use of the situation also needs to be verified by practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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