| User Account Control |
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| microsoft windows security technology | |
| windows vista | |
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User Account Control ('''UAC''') is a technology and security infrastructure introduced with Microsoft 's Windows Vista Operating System . It aims to improve the security of Windows by limiting applications to standard user privileges until an administrator authorizes an increase in privilege level, in a manner very similar to that seen in Ubuntu Linux . In this way, only applications that the user trusts receive higher privileges, and Malware is kept from receiving the privileges necessary to wreak havoc on the operating system. In other words, with UAC a user may have administrator privileges, but an application that the user runs does not unless it is approved beforehand or the user explicitly authorizes it to have higher privileges. UAC will usually prompt the user for additional privileges automatically, but the user can also right-click a program and click "Run as administrator". OVERVIEW Before Windows XP was released, previous versions of Windows targeted at the consumer audience, such as Windows 95, Windows 98 and Windows Me, were all operating systems where the user had Super User rights despite Multi-user capabilities. Windows XP on the other hand was a multi-user operating system based on Windows NT . This allowed for different user levels and permissions. However, in Windows XP the first user created when installing the operating system is given administrative privileges by default. As such, most users would use this account for everyday use. This ensured that all software, including Malware , was also running with administrator privileges as well, thereby giving it full access to the operating system. |
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