Answers:
click the spyware scan on your toolbar (norton)
and select yahoo guarantee meeting point and you will see
feature topics.you can find some sensible advice
the foremost one human being 'creating a sign in stamp' and
follow undemanding instructions, so you will know you are
on proper yahoo page.you can set to sign in every year (recommend) or every 2 wks.your emails are human being scan auto by your antivirus.
see what you dream up.hope this help.
I don't totally get the message the cross-question... If your referring to spyware/virus protection, it already does that automaticly. if your chitchat going on for logging in, or something close to that, I'm not sure.