Which one? Security issue

by darkvalour - 2/28/07 6:10 PM

I have SBC Yahoo for my DSL....I always sign into AOL SE.
I got a package deal I guess.
Which security protection should I use.....AOL, Yahoo, or ???
I run XP on an HP.
I get confused with AOL spyware/firewall/spyzapper....and SBC Yahoo online protection.
Are they running together?
I have Norton as well.
Overload or not enough?