There's an MSDN Security Webast coming up on Monday at 1:00 PM (PST) that sounds really good. Here's a link to the registration page and a bit of information:
MSDN Webcast: Computer Crime and Security
The typical misconception is that a hardware firewall will prevent a security breach. In fact, the majority of today's IT security breaches occur through a web application. In this webcast we will discuss the most pervasive methods that hackers use to penetrate systems, where these attacks originate from, how they are accomplished and the financial impact of these breaches.