XP Sp2 has stack (buffer, whatever) overflow protection, when coupled with newer proccessors.
, be interesting to see if it actually works, and how long it takes for crackers to bypass it
Any half decent firewall will stop atacks, and of course decent antivirus + updates.
I'm always amused (and a little worried) at the speed of which varients and rewrittes are released by the writters, take sasser, it only took 2 weeks after the security release for that little beauty to rear its head, followed very quickly by 6 varients.