My work has very restrictive firewall settings and the admins are all over the access logs so I needed something that wouldn't raise any flags.

Also you should take a look at http://www.truecrypt.org/ to keep your documents secure (and to remove the hassle of wiping your docs). When you're all done just unmount the container. It also has an option to run it in a 'travel' mode so there's no need to install it.