Martin Roesch is the VP and chief architect, Security Business Group at Cisco.A respected authority on intrusion prevention and detection technology and forensics, he is responsible for the technical direction and product development efforts for Sourcefire's commercial and open source product offerings. Roesch, who has nearly 20 years of industry experience in network security and embedded systems engineering, is also the author and lead developer of the Snort® Intrusion Prevention and Detection System (www.snort.org) that forms the foundation for the Sourcefire Next-Generation IPS.