As announced a few months ago SharePoint have passed the DoD chapter 2 standards and now it is available as a resource kit to download with some code samples I have not tried the resource kit yet but I am downloading it right catch all the fun right here
http://blogs.msdn.com/sharepoint/archive/2008/02/09/announcing-the-dod-5015-2-resource-kit-for-sharepoint-server-2007.aspx
Enjoy