Securing the "computers" we forget about...

While we're all preoccupied by the security of our laptop and desktop machines, dutifully ensuring that we apply updates and patches and run regular virus checks where appropriate, it's easy to forget that various other pieces of infrastructure such as routers and broadband modems are, at a basic level, full-fledged computers. When did you last update the firmware to your broadband router? Does your ISP or manufacturer of your router even offer such a facility? The issue is illustrated quite pertinently by this report on a recent Linux worm apparently doing the rounds.