Here's an interesting article from Security Focus about computer security from an FBI point of view. Some really great Mac quotes too:

...he told us that many of the computer security folks back at FBI HQ use Macs running OS X, since those machines can do just about anything...

...law enforcement personnel in American end up sending impounded Macs needing data recovery to the acknowledged North American Mac experts: the Royal Canadian Mounted Police.

The article is at securityfocus.com. I picked it up while checking through my newest HNS Newsletter.