I've played WoW since Vanilla release and never had an authenticator - guess I thought I was invincible. However, they got to me and I was hacked. 5 accounts banned and now going through the lengthy process of restoring the toons.

I have added an authenticator. I scanned for viruses using Avast, but didn't find anything. What else can I do to protect myself? I don't really care about WoW since it now has the authenticator, but I'm worried about any other information from a keylogger.