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Win7 User Account Control Introduction User Account Control (UAC) is international trade researcha Windows security feature that aims to protect the system from malware. In Windows Vista and subsequent operating systems, user account control has been further strengthened and expanded. This article will introduce the basic knowledge and application methods of Win7 user account control to readers. Infrastructure of Win7 user account control Win7 user account control is based on the security model of user roles. It uses security identifiers (SID) to identify users, access control lists (ACLs) to determine each user's access to system resources, and provides users with a series of operating system managers. So that they can perform tasks related to their roles.The purpose of Win7 user account control is to strike a balance between user permissions and administrator permissions, so as to avoid users being granted too many permissions, so as to ensure system security and user privacy. Win7 user account control can be realized in the following ways: 1. Run the program as a non-administrator. In Win7, as long as the application is installed, it will not automatically obtain administrator rights, so when running the application, you need to confirm whether to run it as an administrator. Two. Advanced security settings. Through advanced security settings, you can specify Windows to handle programs in an abnormal way, turn off or apply policies with UAC protection. In addition, a message can be displayed to the management user so that they can understand the operation being performed against the system. 3. Prevent malicious programs from performing automated processes through applications and scripts.In Win7, it can prevent malicious programs from performing automated processes through Win32 APIs, applications and scripts, so as to achieve malicious attacks. Win7 user account control practice suggests that Win7 user account control is one of the important means to improve system security, but it also brings some restrictions to users' daily use. Therefore, when using Win7 user account control, you need to pay attention to the following points: 1. Don't lower the security level of UAC. Reducing the security level of UAC will cause malicious programs to take root on the computer, which will pose a serious risk to computer security. Therefore, when using Win7 user account control, do not easily reduce the security level of UAC. Two. Don't agree to all the tips casually. Using Win7 user account controlDon't casually agree to all the prompts, especially applications from unknown sources or uncertified driver files. These programs often bring security risks to the system. 3. Don't share administrator permissions. Win7 user account control is most effective when configured as a standard user, because administrator rights are not necessary. If multiple users have administrator rights, they will all have the same risk. Four. Update security patches regularly. When using Win7 user account control, security patches need to be updated regularly to ensure that the latest security patches of the system can eliminate known security vulnerabilities. In summary, Win7 user account control is an important security feature. It adopts a role-based security model to help administrators and users with built-in accounts and administrator accounts on the management system, and provides corresponding tools and policies.When using Win7 user account control, you need to pay attention to following some best practices in order to improve the security of the system and protect user privacy.

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