Digital Black Belt Series: Defend your codes from attacks
How would your code stand up to an attack? If you are not sure, join us for the Digital Blackbelt webcast series as developer community champions and other experts discuss security risks, vulnerabilities, and solutions from the software developer's perspective. We provide real-life examples and security tips and tricks that can help you gain the knowledge and techniques to become an experienced “blackbelt” in writing secure code.
Check this out : http://www.microsoft.com/events/series/digitalblackbelt.mspx
PS: You can use "SDP Downloader" to download those webcast.