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This article mainly introduces the relevant knowledge of what are the three levels of database security, the content is detailed and easy to understand, the operation is simple and fast, and has a certain reference value. I believe you will gain something after reading this article on the three aspects of database security. Let's take a look.

I. at the system level

The main aspects that need to be paid attention to at the system level are as follows:

1. User management. Different users have different permissions. You can set users with only read and write permissions as needed. Special users (like root users under Linux) can start and stop the system. Read-write users are mainly used for daily maintenance.

2. Document management. It is that some important files need special protection, which needs to be implemented in cooperation with users.

3. Password management. The password needs to be changed regularly, and do not make too many attempts, otherwise the password will be frozen.

4. System log. The importance of system log to the system is self-evident, through which many problems can be solved.

II. Database level

Every DBRM system has security control function. The principle of permission assignment is role-based permission control: it is a common practice to assign different permissions grant to different role, different users to different group,*** and different role to different group.

III. Third-party database audit products

The database itself has the function of audit, and the reason why it is abandoned is that its performance has a great impact on the system, so we choose third-party products. Database audit products can audit select, update and other database behavior, if you find that the database has abnormal behavior, you can find relevant information through the product.

In fact, the problem of database security is not external factors to a large extent, but some users see or modify the data outside their authority, that is, user information leakage, which is worthy of attention. The method we adopt is a clear distinction of authority and responsibility: the authority of the application personnel and the operation and maintenance personnel are separated, and the permissions are controlled from the two dimensions of the system and the application, and gradually refined from the above three levels.

On the whole, database security is nothing new, and I haven't found any serious security problems in my two years of work. In spite of this, we still have a response plan, the idea is to start with the log of the system, and then locate the user, through the user to find the relevant behavior of the user, so as to locate the real problem.

This is the end of the article on "what are the three aspects of database security?" Thank you for reading! I believe that everyone has a certain understanding of the knowledge of "what are the three levels of database security". If you want to learn more knowledge, you are welcome to follow the industry information channel.

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