I have recently reviewed my security knowledge base and found it needed updating. So starting with Pauldotcom, as these guys are top notch in the security field. Jon L
You will find more links to sites from this link, at the bottom left of the page.
More good stuff from the "Typical Mac user" site by Victor Cajiao.
Typical Mac user
Internet security blog.
Next, security alert page for apple.
And finally Macworld put out a security Super-guide PDF.
And for those needing more info on wireless networks. Look for two previous posts.
Airport Extreme, June 2007
Setting up a wireless network, July 2008
New: Macworld article on securing your network.
secure your home network