Dr. Timothy Shimeall is an Adjunct Professor of the Heinz College of Carnegie Mellon University, with teaching and research interests focused in the area of information survivability. He is an active instructor in information security management and information warfare, and has led a variety of survivability-related independent studies. Tim is also a senior member of the technical staff with the CERT Network Situational Awareness Group of Carnegie Mellon's Software Engineering Institute, where he is responsible for overseeing and participating in the development of analysis methods in the area of network systems security and survivability. This work includes development of methods to identify trends in security incidents and in the development of software used by computer and network intruders. Of particular interest are incidents affecting defended systems and malicious software that are effective despite common defenses. Prior to his time at Carnegie Mellon, Tim was an Associate Professor at the Naval Postgraduate School in Monterey, CA. Jonathan Spring is a member of the technical staff with the CERT Network Situational Awareness Group of the Software Engineering Institute, Carnegie Mellon University. He began working at CERT in 2009. He also serves as an adjunct professor at the University of Pittsburgh's School of Information Sciences. His current research topics include monitoring cloud computing and DNS traffic analysis. He holds a Master's degree in information security and a Bachelor's degree in philosophy from the University of Pittsburgh.