is it sercurity or not????

From: hayley (hailberry13_at_hotmail.com)
Date: 06/30/03 

Date: Mon, 30 Jun 2003 02:18:20 -0700

if your one of the frist people to use the msn messenger
on your computer then when you disconnesct from the net
then go back a while after it loggs you back on as soon
as your connected which is really annoying so how is that
SERCURITY it happens to my friends as well how can we
stop this as it is really annoying and anyone can go on
your msn name ????? please help