Security in today's world is evolving at a rapid pace. In the early days(86 -95) the threat was localized to individual workstations or individual LANS.
When the internet took over, things just exploded. Peer to Peer, Social Engineering, root kits, have been proliferated by the ease at which a hacker can transfer his/her virus/worm. This session talked about what has been, and what MS had in mind for the future. I will blog more about this later. He talked a lot about SDL (The security Development Lifecycle) . If you are interested, there is a great book on the subject.
Check it out on Amazon etc…