Mark Zajicek is a Member of the Technical Staff in the CERT Division at the Software Engineering Institute, located at Carnegie Mellon University (Pittsburgh, Pennsylvania, USA). Mark’s current work is focused on helping other organizations to build and assess their own computer security incident response team (CSIRT) or incident management capability. As a member of the CERT CSIRT Development and Training team, Mark is responsible for providing guidance to new and existing CSIRTs, worldwide. Mark has co-developed a variety of publications and training materials, and he is an instructor for a suite of several courses that provide training for CSIRT managers and technical staff and for organizations that are building or evaluating an insider threat program. Previously, Mark was the Daily Operations team leader for the CERT Coordination Center (CERT/CC), after having joined the CERT/CC’s incident handling staff in 1992. Prior to joining the CERT/CC, he also helped support the CERT/CC during its initial start-up in 1988.