What is lsas.exe?

lsass.exe is a legitimate system process that stands for Local Security Authority Subsystem Service. It is a core component of the Windows operating system and is responsible for managing local security policies and permissions on the system.

lsass.exe is essential for the proper functioning of the Windows security model and plays a crucial role in authenticating users, enforcing security policies, and handling logon sessions. It also manages the Active Directory service on domain-joined computers.

Since lsass.exe is a critical system process, it is not recommended to tamper with it or disable it. However, malware can sometimes disguise itself as lsass.exe to avoid detection by security software. Therefore, it is important to regularly scan your system for malware and ensure that your security software is up to date.