Allen made a comment about general internet security issues and it brought Steve Gibson's Security Now website and podcast to mind. I didn't want to railroad Allen's thread so I'm starting this one.
Security Now puts out a weekly edition focused on internet and network security. I've been listening to their podcasts for a couple months now. I really like the informal podcast format and feel like it's a great source of information. Here's a link to their site with podcast archives and notes-
Security Now.