" ...
Process File: lsass or lsass.exe
Process Name: Local Security Authority Service
Description:
lsass.exe is a system process of the Microsoft Windows security mechanisms.
It specifically deals with local security and login policies. Note: lsass.exe
also relates to the Windang.worm, irc.ratsou.b, Webus.B, MyDoom.L, Randex.AR,
Nimos.worm which spread via floppy disk drives, mass-mailing and peer-to-peer
sharing. Please review file path for clarification of this.
.... "
Hope this helps!