Microsoft BlueHat security conference videos

Some great security presentations are available online, from BlueHat 2012.

http://channel9.msdn.com/Events/Blue-Hat-Security-Briefings/BlueHat-Security-Briefings-Fall-2012-Sessions

The goal of the BlueHat Redmond conference is to educate Microsoft engineers and executives on current and emerging security threats, to help them address security issues in Microsoft products and services and protect customers. The BlueHat Redmond conference often serves as a great opportunity for invited security researchers to informally connect with Microsoft engineers who are passionate about security, furthering a bidirectional exchange of ideas at the event.