Here is a very fun and insightful interview that Microsoft's VP of Security Mike Nash gave to Slashdot, from all places. It is somewhat long, but definitely a must-read.
For example, here is one bit that relates to Microsoft views on security in 2006. MS Security VP Mike Nash replies to this question: "given that security is a major topic on IT manager's minds these days with security flaws and patches practically making front page news of some publications, what do you feel is going to be the main focus for security in 2006 for yourself and the industry as a whole? "
Read the answer at the above link!