can I be part of network and not know

From: b (epas106554@aol.com)
Date: 09/29/02


From: "b" <epas106554@aol.com>
Date: Sun, 29 Sep 2002 03:06:18 -0700


is it possible for someone to be added to a network and a
remote user to view files etc. without the person knowing
it.