This MedLibrary.org supplementary page on Local Security Authority Subsystem Service is provided directly from the open source Wikipedia as a service to our readers. Please see the note below on authorship of this content, as well as the Wikipedia usage guidelines. To search for other content from our encyclopedia supplement, please use the form below:
Related Sponsors
Local Security Authority Subsystem Service (LSASS), 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. It also writes to the Windows Security Log.
The Sasser worm exploited a vulnerability in LSASS [1] to spread via a remote buffer overflow in computers running Microsoft Windows XP and Windows 2000. The worm is particularly potent in that it can spread without any interaction with humans, nor does it 'travel by email' like many other worms.
Should the lsass.exe program end, for example, by the Sasser worm's effects, then a countdown timer will appear on the screen, advising the user to save their work and close all programs before Windows shuts down. This timer, however, can be thwarted by changing the computer's date and time settings or by executing the shutdown -a command.
Forcible termination of lsass.exe will result in the Welcome screen losing its accounts, prompting a restart of the machine, therefore lsass.exe should not be considered the Sasser worm.
External links
Wikipedia content modification information:
- This page was last modified on 6 September 2008, at 16:22.
Wikipedia Authorship and Review
Wikipedia content provided here is not reviewed directly by MedLibrary.org. Wikipedia content is authored by an open community of volunteers and is not produced by or in any way affiliated with MedLibrary.org.
Wikipedia Usage Guidelines
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article on "Local Security Authority Subsystem Service".
The URL for this specific entry is:
All Wikipedia text is available under the terms of the GNU Free Documentation License. (See Copyrights for details). Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc.