Windows Security Log - Wikipedia
https://en.wikipedia.org/wiki/Windows_Security_LogThe 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. Local Security Authority Subsystem Servicewrites events to the log. The Security Log is one of the primary tools used by Administrators to detect a…