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Local Security Authority Subsystem Service (LSASS) [1] is a process in Microsoft Windows operating systems that is responsible for enforcing the security policy on the system. It verifies users logging on to a Windows computer or server, handles password changes, and creates access tokens. [2] It also writes to the Windows Security Log.
Winlogon is launched by the Session Manager Subsystem as a part of the booting process of Windows NT.. Before Windows Vista, Winlogon was responsible for starting the Service Control Manager and the Local Security Authority Subsystem Service, but since Vista these have been launched by the Windows Startup Application (wininit.exe).
The Session Manager Subsystem is the first user-mode process started by the kernel. Once started it creates additional paging files with configuration data from HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management, [1] the environment variables located at the registry entry HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Environment, and DOS device mappings (e.g. CON ...
In older versions of Windows NT, the password could only be stored in plain text in the registry; support for using the Local Security Authority's private storage capabilities was introduced in Windows NT 4.0 Workstation Service Pack 3 and Windows NT Server 3.51. "Security Options" dialog when the user is logged on, which provides options to ...
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 under Event Viewer.
During system operation, it handles Windows File Protection and the creation of logon sessions via Winlogon. Client/Server Runtime Subsystem: CSRSS User-mode side of the Win32 subsystem. Provides the capability for applications to use the Windows API. Local Security Authority Subsystem Service: LSASS
Sasser was created on April 30, 2004. [2] This worm was named Sasser because it spreads by exploiting a buffer overflow in the component known as LSASS (Local Security Authority Subsystem Service) on the affected operating systems.
Badlock (CVE-2016-2118) is a security bug disclosed on April 12, 2016 affecting the Security Account Manager (SAM) and Local Security Authority (Domain Policy) (LSAD) remote protocols [1] supported by Windows and Samba servers. [2] Both SAM and LSAD are layered onto the DCE 1.1 Remote Procedure Call protocol.