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User Account Control (UAC) is a mandatory access control enforcement feature introduced with Microsoft's Windows Vista [1] and Windows Server 2008 operating systems, with a more relaxed [2] version also present in Windows 7, Windows Server 2008 R2, Windows 8, Windows Server 2012, Windows 8.1, Windows Server 2012 R2, Windows 10, and Windows 11.
Included with Windows Vista and later Microsoft Windows operating systems, UAC prompts the user for authorization when an application tries to perform an administrator task. [1] Runas: A command-line tool and context-menu verb introduced with Windows 2000 that allows running a program, control panel applet, or a MMC snap-in as a different user. [2]
Windows Vista features an update to the crypto API known as Cryptography API: Next Generation (CNG). The CNG API is a user mode and kernel mode API that includes support for elliptic curve cryptography (ECC) and a number of newer algorithms that are part of the National Security Agency (NSA) Suite B. It is extensible, featuring support for ...
The Platform Update for Windows Vista and Windows Server 2008 (KB971644) was announced on September 10, 2009 [134] and released on October 27, 2009; [135] [136] The Platform Update for Windows Vista and Windows Server 2008 allows developers to target both Windows Vista and Windows 7 by backporting several significant components by consisting of:
Mandatory Integrity Control is defined using a new access control entry (ACE) type to represent the object's IL in its security descriptor.In Windows, Access Control Lists (ACLs) are used to grant access rights (read, write, and execute permissions) and privileges to users or groups.
User Account Control in Windows Vista improves this by limiting application software to standard user privileges until an administrator authorizes an increase in privilege level. In this way, UAC prevents users from making inadvertent changes to system settings and locks down the computer to prevent unauthorized applications from installing or ...
Windows Vista contains a range of new technologies and features that are intended to help network administrators and power users better manage their systems. Notable changes include a complete replacement of both the Windows Setup and the Windows startup processes, completely rewritten deployment mechanisms, new diagnostic and health monitoring tools such as random access memory diagnostic ...
Windows Vista uses Package Manager (Pkgmgr.exe) and Windows Update Standalone Installer (Wusa.exe) to install software updates and hotfixes. However, these do not support the various command-line switches like Windows XP's Package Installer (Update.exe) did. [84]