Jana has put together a page where you can find information about the monthly chats hosted by Microsoft Security Business Unit Vice President Mike Nash. Mike really puts a lot into these and he will answer your questions. You can add the upcoming chats to your Outlook calendar from this page, and there's also a link to an archives page where you can read through any chats you might have missed.
Microsoft Security Chat Series
... Microsoft is working hard to improve security and Mike and his team invite you to join them in a candid Q&A session. Ask us your tough questions; share with us what is going well and what needs improvement. This is your chance to talk up front with the leading security minds at Microsoft.