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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.
NTUSER.DAT. Within the root of the profile, a file named NTUSER.DAT contains the user's personalized settings for the majority of software installed on the computer; including Windows itself. When the user logs on, NTUSER.DAT becomes merged with the computer's registry, such that it appears as the HKEY_CURRENT_USER branch of the registry tree.
Classic "Begin logon" dialog box on Windows XP Windows 11 lock screen, requiring user to press Ctrl+Alt+Delete.. Winlogon (Windows Logon) is the component of Microsoft Windows operating systems that is responsible for handling the secure attention sequence, loading the user profile on logon, creates the desktops for the window station, and optionally locking the computer when a screensaver is ...
Security Account Manager. The Security Account Manager ( SAM) is a database file [1] in Windows XP, Windows Vista, Windows 7, 8.1, 10 and 11 that stores users' passwords. It can be used to authenticate local and remote users. Beginning with Windows 2000 SP4, Active Directory authenticates remote users. SAM uses cryptographic measures to prevent ...
The graphical identification and authentication (GINA) is a component of Windows NT 3.51, Windows NT 4.0, [1] Windows 2000, Windows XP and Windows Server 2003 [2] that provides secure authentication and interactive logon services. GINA is a replaceable dynamically linked library that is loaded early in the boot process in the context of ...
Windows Security Log. The Security Log, in Microsoft Windows, is a log that contains records of login/logout activity or other security-related events specified by the system's audit policy. Auditing allows administrators to configure Windows to record operating system activity in the Security Log. The Security Log is one of three logs viewable ...
In Windows XP and earlier systems, there is a built-in administrator account that remains hidden when a user administrator-equivalent account exists. This built-in administrator account is created with a blank password. [13]
Power user. A power user is a user of computers, software and other electronic devices, who uses advanced features of computer hardware, [1] [2] [3] operating systems, [4] programs, or websites [5] which are not used by the average user. A power user might not have extensive technical knowledge of the systems they use [6] but is rather ...