Greg Wroblewski, PhD, CISSP, is a senior security researcher at Microsoft's Trustworthy Computing Security group. Over the last 8 years he worked in many areas of security response, presenting part of his work at BlackHat 2007. At Microsoft he focuses on security problems in on-line services, detection of attacks and pentesting. In the past he was responsible for the technical side of patches in over 50 Patch Tuesday bulletins as well as hardening products like Windows and Office 2007. Recently he lead development effort to port ModSecurity module to IIS and nginx servers.